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149 Xing, L., McKellar, R.C., Xu, X., Li, G., Bai, M., Persons, W.S., Miyashita, T., Benton, M.J., Zhang, J., Wolfe, A.P., Yi, Q., Tseng, K., Ran, H. & P.J. Currie, 2016. A feathered dinosaur tail with primitive plumage trapped in mid-Cretaceous amber. Current Biology DOI: 10.1016/j.cub.2016.10.008 PDF

Myanmar amber: feathers down to the bone (maniraptoran artwork by Cheung Chung-tat and Liu Li; Gertrude McFuzz by Dr. Seuss)

148 Zalasiewicz, J., Williams, M., Waters, C.N., Barnosky, A.D., Palmesino, J., Rönnskog, A.S., Edgeworth, M., Neal, C., Cearreta, A., Ellis, E., Grinevald, J., Haff, P., Ivar do Sul, J.A., Jeandel, C., Leinfelder, R., McNeill, J.R., Odada, E., Oreskes, N., Price, S.J., Revkin, A., Steffen, W., Summerhayes, C.P., Vidas, D., Wing, S.L. & A.P. Wolfe, 2016. Scale and diversity of the physical technosphere: a geological perspective. The Anthropocene Review DOI: 10.1177/2053019616677743 PDF

147 Siver, P.A., Wolfe, A.P. & M.B. Edlund, 2016. Fideliacyclus wombatiensis gen. et sp. nov., a Paleocene non-marine centric diatom from northern Canada with complex frustule architecture. Diatom Research DOI: 10.1080/0269249X.2016.1256351 PDF

6 Pisera, A., Manconi, R., Siver, P.A. & A.P. Wolfe, 2016. The sponge genus Ephydatia from the high-latitude middle Eocene: environmental and evolutionary significance. Paläontologische Zeitschrift 90:673–680 PDF

Freshwater sponges: another instance of protracted evolutionary stasis

145 Steffen, W., Leinfelder, R., Zalasiewicz, J., Waters, C.N., Williams, M., Summerhayes, C., Barnosky, A.D., Cearreta, A., Crutzen, P., Edgeworth, M., Ellis, E.C., Fairchild, I.J., Galuszka, A., Grinevald, J., Haywood, A., Ivar do Sul, J., Jeandel, C., McNeill, J.R., Odada, E., Oreskes, N., Revkin, A., Syvitski, J., Vidas, D., Wagreich, M., Wing, S.L., Wolfe, A.P., & H.J. Schellnhuber, 2016.
Stratigraphic and Earth System approaches to defining the Anthropocene. Earth’s Future 4: 324-345 PDF.

144 Williams, M., Zalasiewicz, J., Waters, C.N., Edgeworth, M., Bennett, C.,Barnosky, A.D., Ellis, E.C., Ellis, M.A., Ceareta, A., Haff, P.K., Ivar do Sul, J.A., Leinfelder, R. McNeill, J.R., Odada, E., Oreskes, N., Revkin, A., Richter, D. deB., Steffen, W., Summerhayes, C.P., Syvitski, J.P.M., Vidas, D., Wagreich, M., Wing, S.L., Wolfe, A.P. & A. Zhisheng, 2016. The Anthropocene: a conspicuous stratigraphical signal of anthropogenic changes in production and consumption across the biosphere. Earth’s Future 4: 34-53 PDF.

Discussions surrounding the character of the Anthropocene are heating up

143 Siver, P.A. & A.P. Wolfe, 2016. Mallomonas elephantus sp. nov. (Synurophyceae), an extinct fossil lineage from the Eocene bearing unique scales. Nova Hedwigia DOI: 10.1127/nova_hedwigia/2016/0346 PDF.

142 Michelutti, N., Lemmen, J.L., Cooke, C.A., Hobbs, W.O., Wolfe, A.P., Kurek, J. & J.P. Smol, 2016. Assessing the effects of climate and volcanism on diatom and chironomid assemblages in an Andean lake near Quito, Ecuador. Journal of Limnology DOI: PDF.

141 Brondizio, E.S., O’Brien, K. Bai, X., Biermann, F., Steffen, W., Berkout, F., Cudennec, C., Lemos, M.C., Wolfe, A.P., Palma-Oliveira, J. & C.-T.A. Chen, 2016. Re-conceptualizing the Anthropocene: A call for collaboration. Global Environmental Change 39: 318-327 PDF.

140 Zalasiewicz, J., Waters, C.N., Ivar do Sul, J., Corcoran, P.L., Barnosky, A.D., Cearreta, A., Edgeworth, M., Gałuszka, A., Jeandel, C., Leinfelder, R., McNeill, J.R., Steffen, W., Summerhayes, C., Wagreich, M., Williams, M., Wolfe, A.P. & Y. Yonan, 2016. The geological cycle of plastics and their use as a stratigraphic indicator of the Anthropocene. Anthropocene doi:10.1016/j.ancene.2016.01.002 PDF

139 Waters, C.N., Zalasiewicz, J., Summerhayes, C., Barnosky, A.D., Poirier, C., Galuszka, A., Cearreta, A., Edgeworth, M., Ellis, E.C., Ellis, M.A., Jeandel, C., Leinfelder, R., McNeill, J.R., Richter, D. deB., Steffen, W., Syvitski, J.P.M., Vidas, D., Wagreich, M., Williams, M., Zhisheng, A., Grinevald, J., Odada, E., Oreskes, N. & A.P. Wolfe, 2016. The Anthropocene is functionally and stratigraphically distinct from the Holocene. Science 351: 137; DOI: 10.1126/science.aad2622. PDF

138 Wolfe, A.P., McKellar, R.C., Tappert, R., Sodhi, R.N.S. & K. Muehlenbachs, 2016. Bitterfeld amber is not Baltic amber: three geochemical tests and further constraints on the botanical affinities of succinite. Review of Palynology and Palaeobotany 225: 21-32. PDF

137 van der Reest, A.J., Wolfe, A.P. & P.J. Currie, 2016. A densely feathered ornithomimid (Dinosauria: Theropoda) from the Upper Cretaceous Dinosaur Park Formation, Alberta, Canada. Cretaceous Research 58: 108-117. PDF Subsequent lively Discussion and Rebuttals can be found here

The feathered Late Cretaceous theropod Ornithomimus edmontonicus

136 Bortolotti, L.E., St. Louis, V.L., Vinebrooke, R.D. & A.P. Wolfe, 2015. Net ecosystem production and carbon greenhouse gas fluxes in three prairie wetlands. Ecosystems, doi: 10.1007/s10021-015-9942-1. PDF

135 Zalasiewicz, J., Waters, C.N., Barnosky, A.D., Cearreta, A., Edgeworth, M., Ellis, E.C., Galuszka, A., Gibbard, P.L., Grinevald, J., Hajdas, I., Ivar do Sul, J., Jeandel, C., Leinfelder, R., McNeill, J.R., Poirier, C., Revkin, A., Richter, D. deB., Steffen, W., Summerhayes, C., Syvitski, J.P.M., Vidas, D., Wagreich, M., Williams, M. & A.P. Wolfe, 2015. Colonization of the Americas, Little Ice Age climate, and bomb-produced carbon: their role in defining the Anthropocene. The Anthropocene Review 2: 117-127. PDF

134 Spaulding, S.A., Otu, M.K., Wolfe, A.P. & J.S. Baron, 2015. Paleolimnological records of nitrogen deposition in shallow, high-elevation lakes of Grand Teton National Park, Wyoming, USA. Arctic, Antarctic, and Alpine Research 47: 703-717. PDF

133 Siver, P.A., Jo, B.Y., Kim, J.I., Shin, W., Lizarralde, A.M. & A.P. Wolfe, 2015. Assessing the evolutionary history of the class Synurophyceae (Heterokonta) using molecular, morphometric, and paleobiological approaches. American Journal of Botany 102: 921-941. PDF

132 Florian, C.R., Miller, G.H., Fogel, M.L., Wolfe, A.P., Vinebrooke, R.D. & A. Geirsdottir, 2015. Algal pigments in Arctic lake sediments record biogeochemical changes due to Holocene climate variability and anthropogenic global change. Journal of Paleolimnology 54: 53-69. PDF

131 Zalasiewicz, J., Waters, C.N., Williams, M., Barnosky, A.D., Cearreta, A., Crutzen, P., Ellis, E., Fairchild, I.J., Grinevald, J., Leinfelder, R., McNeill, J., Poirier, C., Richter, D., Steffen, W., Vidas, D., Wagreich, M., Wolfe, A.P., Zhang, A. & N. Oreskes, 2015. When did the Anthropocene begin? A mid-twentieth century boundary level is stratigraphically optimal. Quaternary International 383: 196-203. PDF

130 Siver, P.A., Bishop, J., Lizarralde, A. & A.P. Wolfe, 2015. Heteropolar eunotioid diatoms (Bacillariophyceae) were common in the North American Arctic during the middle Eocene. Journal of Micropalaeontology 34: 151-163. PDF

129 Michelutti, N., Wolfe, A.P., Cooke, C.C., Hobbs, W.O., Vuillle, M. & J.P. Smol, 2015. Climate change forces new ecological states in tropical Andea Lakes. PloS ONE 10(2): e0115338. PDF

128 Davies, L.J., McKellar, R.C., Muehlenbachs, K. & A.P. Wolfe, 2014. Isotopic characterization of organic matter from the Danek Bonebed (Edmonton, Alberta, Canada) with special reference to amber. Canadian Journal of Earth Sciences 51: 1017-1022. PDF

127 Davies, J.H.F.L., Wotzlaw, J.F., Wolfe, A.P. & L.M. Heaman, 2014. Assessing the age of the Danek Bonebed with U-Pb geochronology. Canadian Journal of Earth Sciences 51: 982-986. PDF

126 Finkelstein, S.A., Bunbury, J., Gajewski, K., Wolfe, A.P., Adams, J.K. & J.E. Devlin, 2014. An expanded freshwater diatom training set for quantitative paleoenvironmental reconstructions using lake sediments from the Canadian Arctic. Journal of Quaternary Science 29: 249-260. PDF

125 Sodhi, R.N.S., Mims, C.A., Goacher, R.E., McKague, B. & A.P. Wolfe, 2014. Differentiating diterpene resin acids using ToF-SIMS and Principal Component Analysis: new tools for assessing the geochemistry of amber. Surface and Interface Analysis 46: 365-371. PDF

124 Wolfe, A.P. & P.A. Siver, 2013. A hypothesis linking chrysophyte microfossils to lake carbon dynamics on ecological and evolutionary time scales. Global and Planetary Change 111: 189-198. PDF

123 Polissar, P.J., Abbott, M.B., Wolfe, A.P., Vuille, M. & M. Bezada, 2013. Synchronous interhemispheric Holocene climate trends in the tropical Andes. Proceedings of the National Academy of Sciences of the USA 110: 14551-14556. PDF

122 Tappert, R., McKellar, R.C., Wolfe, A.P., Tappert, M.C., Ortega-Blanco, J. & K. Muehlenbachs, 2013. Stable carbon isotopes of C3 plant resins and ambers record changes in atmospheric oxygen since the Triassic. Geochimica et Cosmochimica Acta 121: 240-262. PDF

121 Siver, P.A., Lott, A.M. & A.P. Wolfe, 2013. A summary of Synura taxa in early Cenozoic deposits from Northern Canada. Nova Hedwigia Beiheft 142: 181-190. PDF

120 Miller, G.H., Brigham-Grette, J., Alley, R.B., Anderson, L., Bauch, H.A., Douglas, M.S.V., Edwards, M.E., Elias, S.A., Finney, B.P., Fitzpatrick, J.J., Funder, S.V., Geirsdottir, A., Herbert, T.D., Hinzman, L.D., Kaufman, D.S., MacDonald, G.M., Polyak, L., Robock, A., Serreze, M.C., Smol, J.P., Spielhagen, R., White, J.W.C., Wolfe, A.P. & E.W. Wolff, 2013. Paleoclimate history of the Arctic. In: Encyclopedia of Quaternary Science. Elsevier, 113-125. PDF

119 Pisera, A., Siver, P.A. & A.P. Wolfe, 2013. A first account of freshwater potamolepid sponges (Demospongiae, Spongillinae, Potamolepidae) from the middle Eocene: biogeographic and paleoclimatic implications. Journal of Paleontology 87: 373-378. PDF

118 Siver, P.A., Wolfe, A.P., Rohlf, F.J., Shin, W. & B.Y. Jo, 2013. Combining geometric morphometrics, molecular phylogeny, and micropaleontology to assess evolutionary patterns in Mallomonas (Synurophyceae: Heterokontophyta). Geobiology 11: 127-138. PDF

The thalassiosiroid diatom Stephanodiscus hantzschii inside and out

117 Catalan, J., Pla-Rabes, S., Wolfe, A.P., Smol, J.P., Rühland, K.M., Anderson, N.J., Kopacek, J., Stuchlik, E., Schmidt, R., Koinig, K.A., Camarero, L., Flower, R.J., Heiri, O., Kamenik, C., Korhola, A., Leavitt, P.R., Psenner, R. & I Renberg, 2013. Global change revealed by palaeolimnological records from remote lakes: a review. Journal of Paleolimnology 49: 513-535. PDF

116 Sodhi, R.N.S., Mims, C.A., Goacher, R.E., McKague, B. & A.P. Wolfe, 2013. Preliminary characterization of Palaeogene European ambers using ToF-SIMS
. Surface and Interface Analyis 45: 557-560. PDF

115 Wolfe, A.P., Hobbs, W.O., Birks, H.H., Briner, J.P., Holmgren, S.U., Ingolfsson, O., Kaushal, S.S., Miller, G.H., Pagani, M., Saros, J.E. & R.D. Vinebrooke, 2013.
Stratigraphic expressions of the Holocene-Anthropocene transition revealed in sediments from remote lakes. Earth-Science Reviews 116: 17-34. PDF

114 Zalasiewicz, J., Cearreta, A., Crutzen, P., Ellis, E., Ellis, M., Grinevald, J., McNeill, J., Poirier, C., Price, S., Richter, D., Scholes, M., Steffen, W., Vidas, D., Waters, C., Williams, M. and A.P. Wolfe, 2012. Response to Autin and Holbrook on Is the Anthropocene an issue of stratigraphy or pop culture?. GSA Today e21-22, doi: 10.1130/GSATG162C.1. PDF

113 Perren, B.B., Wolfe, A.P., Cooke, C.A., Kjaer, K., Mazzucchi, D. & E.J. Steig, 2012. 20th-century warming revives the world's northernmost lake. Geology 40:
1003-1006. PDF

112 Wolfe, A.P., Csank, A.Z., Reyes, A.V., McKellar, R.C., Tappert, R. & K. Muehlenbachs, 2012. Pristine Early Eocene wood buried deeply in kimberlite from Northern Canada. PLoS ONE 7: e45537. PDF

111 Cooke, C.A., Michelutti, N., Balcom, P.H., Briner, J.P. & A.P. Wolfe, 2012. A Holocene perspective on algal mercury scavenging in arctic lakes. Environmental Science & Technology 46: 7135−7141. PDF

110 Wilson, C.R., Michelutti, N., Cooke, C.A., Briner, J.P., Wolfe, A.P. & J.P. Smol, 2012. Arctic lake ontogeny across multiple interglaciations. Quaternary Science Reviews 31: 112-126. PDF

109 Holtgrieve, G.W., Schindler, D.E., Hobbs, W.O., Leavitt, P.R., Ward, E.J., Bunting, L., Chen, G., Finney, B.P., Gregory-Eaves, I., Holmgren, S., Lisac, M.J., Lisi, P.J., Nydick, K., Rogers, L.A., Saros, J.E., Selbie, D.T., Shapley, M.D., Walsh, P.B. & A.P. Wolfe, 2011. A coherent signature of anthropogenic nitrogen deposition to remote watersheds of the Northern Hemisphere. Science 334: 1545-1548. PDF

108 Souffreau, C., Verbruggen, H., Wolfe, A.P., Vanormelingen, P., Siver, P.A., Cox, E.J., Mann, D.G., Van de Vijver, B., Sabbe, K. & W. Vyverman, 2011. A time-calibrated multi-gene phylogeny of the diatom genus Pinnularia. Molecular Phylogenetics and Evolution 61: 866-879. PDF

Putative theropod protofeathers (left) and avian plumage (right) from Campanian amber in Alberta

107 McKellar, R.C., Chatterton, B.D.E., Wolfe, A.P. & P.J. Currie, 2011. A diverse assemblage of Late Cretaceous dinosaur and bird feathers from Canadian amber. Science 333: 1619-1622. PDF Subsequent technical comments and rebuttals: PDF

106 Hobbs, W.O., Wolfe, A.P. & R.D. Vinebrooke, 2011. Biogeochemical responses of two alpine lakes to climate change and atmospheric deposition, Jasper and Banff National Parks, Canadian Rocky Mountains. Canadian Journal of Fisheries and Aquatic Sciences 68: 1480-1494. PDF

105 McKellar, R.C., Wolfe, A.P., Muehlenbachs, K., Tappert, R., Engel, M.S., Cheng, T. & G.A. Sanchez-Azofeifa, 2011. Insect outbreaks produce distinctive carbon isotope signatures in defensive resins and fossiliferous ambers. Proceedings of the Royal Society B 278: 3219-3224. PDF

104 Schmieder, J., Fritz, S.C., Swinehart, J.B., Shinneman, A.L.C., Wolfe, A.P., Miller, G.H., Daniels, N., Jacobs, K.C. & E.C. Grimm, 2011. A regional-scale climate reconstruction of the last 4000 years from lakes in the Nebraska Sand Hills, U.S.A. Quaternary Science Reviews 30: 1797-1812. PDF

103 Axford, Y., Briner, J.P., Francis, D.R., Miller, G.H., Walker, I.R. & A.P. Wolfe, 2011. Chironomids record terrestrial temperature changes throughout Arctic interglacials of the past 200,000 years. Geological Society of America Bulletin 123: 1275-1287. PDF

102 Tappert, R., Wolfe, A.P., McKellar, R.C., Tappert, M. & K. Muehlenbachs, 2011. Characterizing modern and fossil conifer exudates using micro-FTIR spectroscopy. International Journal of Plant Sciences 172: 120-138. PDF

101 Doria, G., Royer, D.L., Wolfe, A.P., Fox, A., Westgate, J.A. & D.J. Beerling, 2011. Declining atmospheric CO2 during the late Middle Eocene climate transition. American Journal of Science 311: 63-75. PDF

100 Saros, J.E., Clow, D.W., Blett, T. & A.P. Wolfe, 2011. Critical nitrogen deposition loads in high-elevation lakes of the western U.S. inferred from paleolimnological records. Water, Air and Soil Pollution 216: 193-202. PDF

99 Cooke, C.A., Balcom, P.H., Kerfoot, W.C., Abbott, M.B. & A.P. Wolfe, 2011. Pre-Colombian mercury pollution associated with the smelting of argentiferous ores in the Bolivian Andes. Ambio 40: 18-25. PDF

98 Siver, P.A., Edlund, M.B. & A.P. Wolfe, 2010. Taxonomic descriptions and evolutionary implications of Middle Eocene pennate diatoms representing the extant genera Oxyneis, Actinella and Nupela (Bacillariophyceae). Plant Ecology and Evolution 143: 340-351. PDF

97 McKellar, R.C.& A.P. Wolfe, 2010. Canadian amber. In: Penney, D. (Ed.) Biodiversity of fossils in amber. Siri Scientific Press, p. 149-165. link to the book

96 Boo, S.M., Kim, H.S., Shin, W., Boo, G.H., Cho, S.M., Kim, J.H., Yang, E.C., Siver, P.A., Wolfe, A.P., Bhattacharya, D., Andersen, R.A. & H.S. Yoon, 2010. Complex phylogeographic patterns in the freshwater alga Synura provide new insights on ubiquity versus endemism in microbial eukaryotes. Molecular Ecology 19: 4328-4338. PDF

Biogeography of the scaled chrysophyte Synura petersenii: genes and fossils tell the full story

95 Hobbs, W.O., Lalonde, S.V., Vinebrooke, R.D., Konhauser, K.O., Weidman, P.R., Graham, M.D. & A.P. Wolfe, 2010. Algal-silica cycling and pigment diagenesis in recent alpine lake sediments: mechanisms and paleoecological implications. J. Paleolimnol. 44: 613–628. PDF

94 Miller, G.H., Brigham-Grette, J., Alley, R.B., Anderson, L., Bauch, H.A., Douglas, M.S.V., Edwards, M.E., Elias, S.A., Finney, B.P., Fitzpatrick, J.J., Funder, S.V., Herbert, T.D., Hinzman, L.D., Kaufman, D.S., MacDonald, G.M., Polyak, L., Robock, A., Serreze, M.C., Smol, J.P., Spielhagen, R., White, J.W.C., Wolfe, A.P. & E.W. Wolff, 2010. Temperature and precipitation history of the Arctic. Quaternary Science Reviews 29: 1679-1715. PDF

93 Saros, J.E., Rose, K.C., Clow, D.W., Stephens, V.C., Nurse, A.B., Arnett, H.A., Stone, J.R., Williamson, C.E. & A.P. Wolfe, 2010. Melting alpine glaciers enrich high-elevation lakes with reactive nitrogen. Environmental Science & Technology 44: 4891-4896. PDF

92 Siver, P.A. & A.P. Wolfe, 2010. A whole-cell reconstruction of Mallomonas porifera Siver and Wolfe from the Eocene: implications for the evolution of chrysophyte cell architecture. In: J.L. Wee, P.A. Siver & A.-M. Lott (Eds.) Chrysophytes: from fossil perspectives to molecular characterizations. Nova Hedwigia Beiheft 136: 117-126. PDF

91 Hobbs, W.O., Telford, R.J., Birks, H.J.B., Saros, J.E., Hazewinkel, R.R.O., Perren, B.B., Saulnier-Talbot, É. & A.P. Wolfe, 2010. Quantifying recent ecological changes in remote lakes of North America and Greenland using sediment diatom assemblages. PLoS ONE 5: e10026. PDF

90 Cooke, C.A., Hobbs, W.O., Michelutti, N. & A.P. Wolfe, 2010. Reliance on 210Pb chronology can compromise the inference of preindustrial Hg flux to lake sediments. Environmental Science & Technology 44: 1998-2003. PDF

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89 Vinebrooke, R.D., Thompson, P.L., Hobbs, W.O., Luckman, B.H., Graham, M.D. & A.P. Wolfe, 2010. Glacially mediated impacts of climate warming on alpine lakes of the Canadian Rocky Mountains. Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie 30: 1449-1452. PDF

88 Holmgren, S.U., Bigler, C., Ingólfsson, Ó. & A.P. Wolfe, 2010. The Holocene-Anthropocene transition in lakes of western Spitsbergen, Svalbard (Norwegian High Arctic): climate change and nitrogen deposition. Journal of Paleolimnology 43: 393-412. PDF

87 Michelutti, N., Blais, J.M., Cumming, B.F., Paterson, A.M., Rühland, K., Wolfe, A.P. & J.P. Smol, 2010. Do spectrally inferred determinations of chlorophyll a reflect trends in lake trophic status? Journal of Paleolimnology 43: 205-217. PDF

86 Cooke, C.A., Wolfe, A.P. & W.O. Hobbs, 2009. Lake-sediment geochemistry reveals 1400 years of evolving extractive metallurgy at Cerro de Pasco, Peruvian Andes. Geology 37: 1019-1022. PDF

85 Axford, Y.L., Briner, J.P., Cooke, C.A., Francis, D.R., Michelutti, N., Miller, G.H., Smol, J.P., Thomas, E.K., Wilson, C.R. & A.P. Wolfe, 2009. Recent changes in a remote Arctic lake are unique within the past 200,000 years.
Proceedings of the National Academy of Sciences USA 106: 18443-18446. PDF

84 Wolfe, A.P., Tappert, R., Muehlenbachs, K., Boudreau, M., McKellar, R.C., Basinger, J.F. & A. Garrett, 2009. A new proposal concerning the botanical origin of Baltic amber. Proceedings of the Royal Society B: Biological Sciences 276: 3403-3412. PDF

83 Siver, P.A., Lott, A.M. & A.P. Wolfe, 2009. Taxonomic significance of asymmetric helmet and lance bristles in the genus Mallomonas (Synurophyceae) and their discovery in Eocene lake sediments. European Journal of Phycology 44: 447–460. PDF

82 Michelutti, N., Simonetti, A, Briner, J.P., Funder, S., Creaser, R.A. & A.P. Wolfe, 2009. Spatial and temporal trends of pollution Pb and other metals in the Baffin Bay Region inferred from lake-sediment geochemistry. Science of the Total Environment 407: 5653-5662. PDF

81 Wolfe, A.P. & Siver, P.A., 2009. Three genera of extant thalassiosiroid diatoms from Middle Eocene lake sediments in northern Canada. American Journal of Botany 96: 487-497. PDF

80 Cooke, C.A., Balcom, P., Biester, H. & A.P. Wolfe, 2009. Over three millennia of mercury pollution in the central Peruvian Andes. Proceedings of the National Academy of Sciences USA 106: 8830-8834. PDF

79 Siver, P.A. & A.P. Wolfe, 2009. Tropical ochrophyte algae from the Eocene of northern Canada: a biogeographic response to past global warming. Palaios 24, 192–198. PDF

78 Hobbs, W.O., Wolfe A.P., Inskeep W.P., Amskold L., & K.O. Konhauser, 2009. Epipelic diatoms from an extreme acid environment: Beowulf Spring, Yellowstone National Park, U.S.A., In: Kociolek, J.P., Theriot, E.C., Stevenson, R.J. (Eds) Diatom Taxonomy, Ultrastructure and Ecology: Modern Methods and Timeless Questions. A tribute to Eugene F. Stoermer. Nova Hedwigia Beihefte 135, 71-84. PDF

77 Cooke, C.A., M.B. Abbott & A.P. Wolfe, 2009. Metallurgy in southern South America. In: H. Seline (ed.) Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures Vol. 2. Dordrecht, The Netherlands, 1658-1662. PDF

76 Schiff, C.J., Kaufman, D.S., Wolfe, A.P., Dodd, J. & Z. Sharp, 2009. Late Holocene storm-trajectory changes inferred from the oxygen isotope composition of lake diatoms, south Alaska. Journal of Paleolimnology 41: 189-208. PDF

75 McKellar, R.C., Wolfe, A.P. Tappert, R. & K. Muehlenbachs, 2008. Correlation of Grassy Lake and Cedar Lake ambers using infrared spectroscopy, stable isotopes, and palaeoentomology. Canadian Journal of Earth Sciences 45: 1061-1082. PDF

74 Schindler, D.W., Wolfe, A.P., Vinebrooke, R.D., Crowe, A., Blais, J.M., Miskimmin, B., Freed, R. & B.B. Perren, 2008. The cultural eutrophication of Lac la Biche, Alberta, Canada: a paleoecological study. Canadian Journal of Fisheris and Aquatic Sciences 65: 2211-2223. PDF

73 Lewis, A.R., Marchant, D.R., Ashworth, A.C., Hedenäs, L., Hemming, S.R., Johnson, J.V., Leng, M.J., Machlus, M.L., Newton, A.E., Raine, J.I., Willenbring, J.K., Williams, M. & A.P. Wolfe, 2008. Mid-Miocene cooling and the extinction of tundra in continental Antarctica. Proceedings of the National Academy of Sciences USA 105: 10676-10680. PDF

72 Fréchette, B., de Vernal, A., Guiot, J., Wolfe, A.P., Miller, G.H., Fredskild, B., Kerwin, M.W. & P.J.H. Richard, 2008. Methodological basis for quantitative reconstruction of air temperature and sunshine from pollen assemblages in Arctic Canada and Greenland. Quaternary Science Reviews 27: 1197– 1216. PDF

71 Hazewinkel, R.R.O., Wolfe, A.P., Pla, S., Curtis, C. & K. Hadley, 2008. Have atmospheric emissions from the Athabasca Oil Sands acidified lakes in northeastern Alberta, Canada? Canadian Journal of Fisheris and Aquatic Sciences 65: 1554-1567. PDF

The study of diatoms: Staurosirella

70 Enders, S.K., Pagani, M., Pantoja, S., Baron, J.S., Wolfe, A.P., Pedentchouk, N. & L. Nuñez, 2008. Compound-specific stable isotopes of organic compounds from lake sediments track recent environmental changes in an alpine ecosystem, Rocky Mountain National Park, Colorado (U.S.A.). Limnology and Oceanography 53: 1468-1478. PDF

69 Steig, E.J. & A.P. Wolfe, 2008. Sprucing up Greenland (Perspective). Science 320: 1595-1596. PDF

68 Cooke, C.A., Abbott, M.B., & A.P. Wolfe, 2008. Late-Holocene atmospheric lead deposition in the Peruvian and Bolivian Andes. The Holocene 18: 353-359. PDF

67 Hobbs, W. & A.P. Wolfe, 2008. Recent paleolimnology of three lakes in the Fraser River Basin (BC, Canada): no response to the collapse of sockeye salmon stocks following the Hells Gate landslides. Journal of Paleolimnology 40: 295-308. PDF

66 Stansell, N.D., Abbott, M.B., Polissar, P., Wolfe, A.P., Bezada, M. & V. Rull, 2007. Correspondence: Late Quaternary deglacial history of the Mérida Andes, Venezuela. Journal of Quaternary Science 22: 817-825. PDF

65 Briner, J.P., Axford, Y., Forman, S.L., Miller, G.H., & A.P. Wolfe, 2007. Multiple generations of interglacial lake sediment preserved beneath the Laurentide Ice Sheet. Geology 35: 887-890. PDF

64 Hobbs, W. & A.P. Wolfe, 2007. Caveats on the use of paleolimnology to infer Pacific Salmon returns. Limnology and Oceanography 52: 2053-2061. PDF

63 Michelutti, N., Wolfe, A.P., Briner, J.P., & G.H. Miller, 2007. Climatically controlled chemical and biological development in Arctic lakes. Journal of Geophysical Research Biogeosciences 112, doi:10.1029/2006JG000396 (2007). PDF

62 Siver, P.A. & A.P. Wolfe. 2007. Eunotia spp. (Bacillariophyceae) from Middle Eocene lake sediments and comments on the origin of the diatom raphe. Canadian Journal of Botany 85: 83-90. PDF

61 Cooke, C.A., Abbott, M.B., Wolfe, A.P. & Kittleson, J.L., 2007. A millennium of metallurgy recorded by lake sediments from Morococha, Peruvian Andes. Environmental Science & Technology 41: 3469-3474. PDF

60 Wolfe, A.P. , Cooke, C.A. & W.O. Hobbs, 2006. Are current rates of atmospheric nitrogen deposition influencing lakes in the eastern Canadian Arctic? Arctic, Antarctic, and Alpine Research 38: 465-476. PDF

59 Wolfe, A.P., Vinebrooke, R.D., Michelutti, N., Rivard, B.& B. Das, 2006. Experimental calibration of lake-sediment spectral reflectance to chlorophyll a concentrations: methodology and paleolimnological validation. Journal of Paleolimnology 36: 91-100. PDF

58 Michel, T.J., Saros, J.E., Interland, S. & A.P Wolfe, 2006. Resource requirements of four freshwater diatom taxa determined by in situ growth bioassays using natural populations from alpine lakes. Hydrobiologia 568: 235-243. PDF

57 Polissar, P.J., Abbott, M.B., Wolfe, A.P. , Bezada, M., Rull, V. & R.S. Bradley, 2006. Solar modulation of Little Ice Age climate in the tropical Andes. Proceedings of the National Academy of Sciences 103: 8937-8942. PDF

56 Wolfe, A.P. , Edlund, M.B., Sweet, A.R. & S. Creighton, 2006. A first account of organelle preservation in Eocene nonmarine diatoms: observations and paleobiological implications. Palaios 21: 298-304. PDF

55 Fréchette, B., Wolfe, A.P. , Miller, G.H., Richard, P.J.H. & A. de Vernal, 2006. Palynology, vegetation and climate of the last interglacial on Baffin Island, Arctic Canada. Palaeogeography, Palaeoecology, Palaeoclimatology 236: 91-106. PDF

54 Francis, D.R., Wolfe, A.P. , Walker, I.R., & G.H. Miller, 2006. Interglacial and Holocene temperature reconstructions based on midge remains in two lacustrine sedimentary sequences from Baffin Island, Nunavut, Arctic Canada. Palaeogeography, Palaeoecology, Palaeoclimatology 236: 107-124. PDF

53 Michelutti, N., Douglas, M.S.V., Wolfe, A.P. & J.P. Smol, 2006. Heightened sensitivity of a poorly-bufferd high arctic lake to late Holocene climatic changes. Quaternary Research 65: 421-430. PDF

52 Briner, J.P., Michelutti, N., Francis, D.R., Miller, G.H., Axford, Y., Wooller, M.J. & A.P. Wolfe, 2006. A multi-proxy lacustrine record of Holocene climate change on northeastern Baffin Island, Arctic Canada. Quaternary Research 65: 431-442. PDF

51 Kaplan, M.R. & A.P. Wolfe, 2006. Spatial and temporal variability of Holocene temperature trends in the North Atlantic sector. Quaternary Research 65: 223-231. PDF

50 Polissar, P., Abbott, M.B., Shemesh, A., Wolfe, A.P. & R.S. Bradley, 2006. Holocene hydrologic balance of tropical South America from oxygen isotopes of lake sediment opal, Venezuelan Andes. Earth and Planetary Science Letters 242: 375-389. PDF

49 Stansell, N.D., Abbott, M.B., Polissar, P., Wolfe, A.P., Bezada, M. & V. Rull, 2006. Late Quaternary deglacial history of the Mérida Andes, Venezuela. Journal of Quaternary Science 20: 801-812. PDF

Rhineland coal measures neal Köln, Miocene forest

48 Siver P.A. & A.P. Wolfe, 2005. Scaled chrysophytes in middle Eocene lake sediments from northwestern Canada, including descriptions of six new species. Nova Hedwigia Beihefte 128: 295-308. PDF

47 Wolfe, A.P. & M.B. Edlund, 2005. Taxonomy, phylogeny, and paleoecology of Eoseira wilsonii gen. et sp. nov., a Middle Eocene diatom (Bacillariophyceae: Aulacoseiraceae) from Horsefly, British Columbia, Canada. Canadian Journal of Earth Sciences 42: 243-257. PDF

46 Michelutti, N, Wolfe, A.P., Vinebrooke, R.D., Rivard, B., & J.P. Briner, 2005. Recent productivity increases in arctic lakes. Geophysical Research Letters 32, L19715, doi: 10.1029/2005GL023693. PDF

45 Rull, V., Abbott, M.B., Polissar, P., Wolfe, A.P., Bezada, M. & R.S. Bradley, 2005. High altitude vegetation change during the last 15,000 years in the tropical Andes: the pollen record from Laguna Verde Alta. Quaternary Research 64: 308-317. PDF

44 Miller, G.H., Wolfe, A.P., Briner, J.P., Sauer, P.E. & A. Nesje, 2005. Holocene glaciation and climate evolution of Baffin Island, Arctic Canada. Quaternary Science Reviews 24: 1703-1721. PDF

43 Saros, J.E., Michel, T.J., Interlandi, S. & A.P. Wolfe, 2005 Resource physiologies of Asterionella formosa and Fragilaria crotonensis in oligotrophic alpine lakes: implications for recent phytoplankton community reorganizations. Canadian Journal of Fisheries and Aquatic Sciences 62: 1681-1889. PDF

42 Das, B., Vinebrooke, R.D., Sanchez-Azofeifa, A., Rivard, B. & A.P. Wolfe, 2005. Inferring sedimentary chlorophyll concentrations with reflectance spectroscopy: a novel approach to reconstructing historical changes in the trophic status of mountain lakes. Canadian Journal of Fisheries and Aquatic Sciences 62: 1067-1078. PDF

41 Siver, P.A. & A.P. Wolfe, 2005. Eocene scaled chrysophytes with pronounced modern affinities. International Journal of Plant Sciences 166: 533-536. PDF

40 Smol, J.P., Wolfe, A.P., Birks, H.J.B., Douglas, M.S.V., Jones, V.J., Korhola, A., Pienitz, R., Rühland, K., Sorvari, S., Antoniades, D., Brooks, S.J., Fallu. M.A., Hughes, M., Keatley, B. Laing, T., Michelutti, N., Nazarova, L., Nyman, M., Paterson, A.M., Perren, B.B., Quinlan, R. Rautio, M., Saulnier-Talbot, E., Siitonen, S., Solovieva, N. & J. Weckström, 2005. Climate-driven regime shifts in the ecology of arctic lakes. Proceedings of the National Academy of Sciences 102: 4397-4402. PDF

39 Baron, J.S., Nydick, K.R., Rueth, H.M., Lafrançois, B.M. & A.P. Wolfe, 2005. High elevation ecosystem responses to atmospheric deposition of nitrogen in the Colorado Rocky Mountains, USA. In: U.M. Huber, H.K. Bugmann & M.A. Reasoner (eds.), Global Change and Mountain Regions: A State of Knowledge Overview. Advances in Global Change Research vol. 23, Springer, Dordrecht, p. 481-488. PDF

38 Wolfe, A.P., Miller, G.H., Olsen, C.A., Forman, S.L., Doran, P.T. & S.U. Holmgren, 2004. Geochronology of high latitude lake sediments. In: R. Pienitz, M.S.V. Douglas & J.P. Smol (eds.), Long-Term Environmental Change in Arctic and Antarctic Lakes. Developments in Paleoenvironmental Research vol. 8. Springer, Dordrecht, p. 19-52. PDF

37 Wolfe, A.P. & I.R. Smith, 2004. Paleolimnology of the Canadian Arctic Archipelago. In: R. Pienitz, M.S.V. Douglas & J.P. Smol (eds.), Long-Term Environmental Change in Arctic and Antarctic Lakes. Developments in Paleoenvironmental Research vol. 8. Springer, Dordrecht, p. 241-268. PDF

36 Wooller, M.J., Francis, D., Fogel, M.L., Miller, G.H., Walker, I.R. and A.P. Wolfe, 2004. Quantitative paleotemperature estimates from d18O of chironomid head capsules preserved in arctic lake sediments. Journal of Paleolimnology 31: 267-274. PDF

35 Wolfe, A.P., Van Gorp, A.C. & J.S. Baron, 2003. Recent ecological and biogeochemical changes in alpine lakes of Rocky Mountain National Park (Colorado, U.S.A.). Geobiology 1: 153-168. PDF

34 Abbott, M.B. & Wolfe, A.P., 2003. Intensive pre-Incan metallurgy recorded by lake sediments in the southern Bolivian Andes. Science 301: 1893-1895. PDF

33 Wolfe, A.P., 2003. Diatom community responses to late Holocene climatic variability, Baffin Island, Canada: a comparison of numerical methods. The Holocene 13: 29-37. PDF

a typical Baffin Island lake, Meta Incognita Peninsula

32 Saros, J.E., Interlandi, S.J, Wolfe, A.P. & D.R. Engstrom, 2003. Recent changes in the diatom community structure of lakes in the Beartooth Mountain Range, U.S.A. Arctic, Antarctic and Alpine Research 35: 18-23. PDF

31 Abbott, M.B., Wolfe, B.B, Wolfe, A.P., Seltzer, G.O., Aravena, R., Mark, B.G., Polissar, P., Rodbell, D.T., Rowe, H.D. & M. Vuille, 2003. Holocene paleohydrology of the central Andes using multiproxy lake sediments. Palaeogeography, Palaeoecology, Palaeoclimatology 194: 123-138. PDF

30 Wolfe, A.P., Kaushal, S.K., Fulton, J.R. & D.M. McKnight, 2002. Spectrofluorescence of lake sediment fulvic acids and historical changes of lacustrine organic matter provenance in response to atmospheric nutrient enrichment. Environmental Science & Technology 36: 3217-3223 PDF

29 Wolfe, A.P., 2002. Climate modulates the acidity of arctic lakes on millennial timescales. Geology 30: 215-218. PDF

28 Kaplan, M.R., Wolfe, A.P. & G.H. Miller, 2002. Holocene environmental variability in southern Greenland inferred from lake sediments. Quaternary Research 58: 149-159. PDF

27 Miller, G.H., Wolfe, A.P., Steig, E.J., Sauer, P.E., Kaplan, M.R.& J.P. Briner, 2002. The Goldilocks dilemma: big ice, little ice, or "just-right" ice in the Eastern Canadian Arctic. Quaternary Science Reviews 21: 33-48. PDF

26 Wolfe, A.P. & H.J. Kling, 2001. A consideration of some North American soft-water Brachysira taxa and description of B. arctoborealis sp. nov. In: R. Jahn, J.P. Kociolek, A. Witkowski, and P. Compère: Lange-Bertalot-Festschrift: Studies on Diatoms. Koeltz, Koenigstein, p. 243-264. PDF

25 Wolfe, A.P. & B.B. Perren, 2001. Chrysophyte microfossils record marked responses to recent environmental changes in high- and mid-Arctic lakes. Canadian Journal of Botany 79: 747-752. PDF

24 Joynt, E.H., III & A.P. Wolfe, 2001. Paleoenvironmental inference models from sediment diatom assemblages in Baffin Island lakes (Nunavut, Canada) and reconstruction of summer water temperature. Canadian Journal of Fisheries and Aquatic Sciences 58: 1222-1243. PDF

23 Wolfe, A.P., Steig, E.J. & M.R. Kaplan, 2001. An alternative model for the geomorphic history of late Wisconsinan surfaces on eastern Baffin Island: a comment on Bierman et al. (1999). Geomorphology 39: 251-254. PDF

22 Kaufman, D.S., Manley, W.F., Wolfe, A.P., Hu, F.S., Preece, S.J., Westgate, J.A. & S.L. Forman, 2001. Paleoenvironment of the Last Interglacial to Glacial Transition, Togiak Bay, Southwestern Alaska. Quaternary Research 55: 190-202. PDF

21 Wolfe, A.P., Baron, J.S. & R.J. Cornett, 2001. Anthropogenic nitrogen deposition induces rapid ecological changes in alpine lakes of the Colorado Front Range (U.S.A.). Journal of Paleolimnology 25: 1-7. PDF

20 Wolfe, A.P., 2000. A 6500-year diatom record from southwestern Fosheim Peninsula, Ellesmere Island, Canadian High Arctic. In: Environmental Response to Climate Change in the High Arctic (M. Garneau & B.T. Alt, eds.), Geological Survey of Canada Bulletin 529: 249-256.

19 Härtling, J.W. & A.P. Wolfe, 2000. Paläokologie und Geochemie quartärer Seesedimente auf Baffin Island, Kanadische Arktis. Eiszeitalter und Gegenwart 50: 69-85.

18 Wolfe, A.P., Fréchette, B., Richard, P.J.H., Miller, G.H. & S.L. Forman, 2000. Paleoecological Assessment of a >90,000-year record from Fog Lake, Baffin Island, Arctic Canada. Quaternary Science Reviews 19: 1677-1699. PDF

17 Abbott, M.B., Wolfe, B.B., Aravena, R., Wolfe, A.P. & G.O. Seltzer, 2000.Holocene hydrological reconstructions from stable isotopes and paleolimnology, Cordillera Real, Bolivia. Quaternary Science Reviews 19: 1801-1820. PDF

16 Baron, J.S., Rueth, H.M., Wolfe, A.P., Nydick, K., Allstott, E.J., Minear, J.T. & B. Moraska, 2000. Ecosystem responses to nitrogen deposition in the Colorado Front Range. Ecosystems 3: 352-368. PDF

15 Wolfe, A.P. & R.H. King, 1999. A paleolimnological constraint to the extent of the last glaciation on Northern Devon Island, Canadian High Arctic. Quaternary Science Reviews 18: 1563-1568. PDF

14 Joynt, E.H., III & A.P. Wolfe, 1999. An image database for diatom identification and nomenclature. Journal of Paleolimnology 22: 109-114. PDF

13 Miller, G.H., Mode, W.N., Wolfe, A.P., Sauer, P.E., Bennike, O., Forman, S.L., Short, S.K., Stafford, T.W. Jr. & K.M. Williams, 1999. Stratified interglacial lacustrine sediments from Baffin Island, Arctic Canada: chronology and paleoenvironmental implications. Quaternary Science Reviews 18: 789-810. PDF

Merchants Bay from Padloping Island, eastern Baffin Island

12 Steig, E.J., Wolfe, A.P. & G.H. Miller, 1998. Wisconsinan glacial refugia on eastern Baffin Island: coupled geochronological evidence from cosmogenic isotopes and lake sediments. Geology 26: 835 838. PDF

11 Wolfe, A.P., 1997. On diatom concentrations in lake sediments: results of an inter-laboratory comparison and other experiments performed on a uniform sample. Journal of Paleolimnology 18: 261-266. PDF

10 Overpeck, J.T., Hughen, K.A., Hardy, D., Bradley, R.S., Case, R., Douglas, M.S.V., Finney, B., Gajewski. K., Jacoby, G., Jennings, A.E., Lamoureux, S., Lasca, A., MacDonald, G.M., Moore, J.J., Retelle, M., Wolfe, A.P. & G.A. Zielinski, 1997. Arctic environmental change of the last four centuries. Science 278: 1251-1256. PDF

9 Wolfe, A.P. & J.W. Härtling, 1997. Early Holocene trace metal enrichment in organic lake sediments, Baffin Island, Arctic Canada. Arctic and Alpine Research 29: 24-31.

8 Wolfe, A.P., 1996. A high resolution late-glacial and early Holocene diatom record from Baffin Island, eastern Canadian Arctic. Canadian Journal of Earth Sciences 33: 928-937.

7 Wolfe, A.P., 1996. La perspective paléolimnologique des changements environnementaux. In: D. Messier, C. Langlois and C.E. Delisle (Eds.): La recherche de pointe en biologie. Collection Environnement de l'Université de Montréal 20, 27-77.

6 Wolfe, A.P., 1996. Spatial patterns of modern diatom distribution and multiple paleolimnological records from a small non-glacial Arctic lake, Baffin Island, Northwest Territories. Canadian Journal of Botany 74: 345-359.

5 Wolfe, A.P., 1996. Wisconsinan refugial landscapes, eastern Baffin Island, Northwest Territories. The Canadian Geographer 40: 81-87.

4 Wolfe, A.P. & J.W. Härtling, 1996. The late Quaternary development of three ancient tarns on southwestern Cumberland Peninsula, Baffin Island, Arctic Canada: paleolimnological evidence from diatoms and sediment chemistry. Journal of Paleolimnology 15: 1-18.

3 Wolfe, A.P., 1994. Late Wisconsinan and Holocene diatom stratigraphy from Amarok Lake, Baffin Island, N.W.T., Canada. Journal of Paleolimnology 10: 129-139.

2 Wolfe. A.P. & D.B. Butler, 1994. Late-glacial and early Holocene environments at Pine Hill Pond, eastern Newfoundland, Canada: evidence from pollen and diatoms. Boreas 23: 53-65.

1 Wolfe, A.P., 1991. Mid and Late Holocene diatoms from 'Water Supply Lake', Baffin Island, N.W.T. Journal of Paleolimnology 6:199-204.