المؤلفون: Hjalte M. R. Mann, Alexandros Iosifidis, Jane U. Jepsen, Jeffrey M. Welker, Maarten J. J. E. Loonen, Toke T. Høye

المصدر: Remote Sensing in Ecology and Conservation, Vol 8, Iss 6, Pp 765-777 (2022)

مصطلحات موضوعية: Arctic, computer vision, convolutional neural network, Dryas integrifolia, Dryas octopetala, ecological monitoring, Technology, Ecology, QH540-549.5

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2056-3485

URL الوصول: https://doaj.org/article/6bbf261b24b14481830e4fd923e6dce4

المؤلفون: Katharine C. Kelsey, Stine Højlund Pedersen, A. Joshua Leffler, Joseph O. Sexton, Jeffrey M. Welker

المصدر: Ecosphere, Vol 14, Iss 5, Pp n/a-n/a (2023)

مصطلحات موضوعية: Arctic, biomass, carbon, functional group, leaf nitrogen, NDVI, Ecology, QH540-549.5

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2150-8925

URL الوصول: https://doaj.org/article/98378f2f2134423d96ee3f628b1b2df2

المؤلفون: Christian Rixen, Toke Thomas Høye, Petr Macek, Rien Aerts, Juha M. Alatalo, Jill T. Anderson, Pieter A. Arnold, Isabel C Barrio, Jarle W. Bjerke, Mats P. Björkman, Daan Blok, Gesche Blume-Werry, Julia Boike, Stef Bokhorst, Michele Carbognani, Casper T. Christiansen, Peter Convey, Elisabeth J. Cooper, J. Hans C. Cornelissen, Stephen J. Coulson, Ellen Dorrepaal, Bo Elberling, Sarah C. Elmendorf, Cassandra Elphinstone, T’ai G.W. Forte, Esther R. Frei, Sonya R. Geange, Friederike Gehrmann, Casey Gibson, Paul Grogan, Aud Helen Halbritter, John Harte, Gregory H.R. Henry, David W. Inouye, Rebecca E. Irwin, Gus Jespersen, Ingibjörg Svala Jónsdóttir, Ji Young Jung, David H. Klinges, Gaku Kudo, Juho Lämsä, Hanna Lee, Jonas J. Lembrechts, Signe Lett, Joshua Scott Lynn, Hjalte M.R. Mann, Mikhail Mastepanov, Jennifer Morse, Isla H. Myers-Smith, Johan Olofsson, Riku Paavola, Alessandro Petraglia, Gareth K. Phoenix, Philipp Semenchuk, Matthias B. Siewert, Rachel Slatyer, Marko J. Spasojevic, Katharine Suding, Patrick Sullivan, Kimberly L. Thompson, Maria Väisänen, Vigdis Vandvik, Susanna Venn, Josefine Walz, Robert Way, Jeffrey M. Welker, Sonja Wipf, Shengwei Zong

المصدر: Arctic Science, Vol 8, Iss 3, Pp 572-608 (2022)

مصطلحات موضوعية: review, tundra, ground temperatures, snow experiments, ITEX, synthèse, Environmental sciences, GE1-350, Environmental engineering, TA170-171

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2368-7460

URL الوصول: https://doaj.org/article/3581b70ff4f9470eb08d15c65a09f42a

المؤلفون: Kimberly E. Samuels-Crow, Drew M. P. Peltier, Yao Liu, Jessica S. Guo, Jeffrey M. Welker, William R. L. Anderegg, George W. Koch, Christopher Schwalm, Marcy Litvak, John D. Shaw, Kiona Ogle

المصدر: Frontiers in Forests and Global Change, Vol 6 (2023)

مصطلحات موضوعية: semiarid ecosystems, North American Monsoon, Southwest U.S., water sources, stable isotopes, drought, Forestry, SD1-669.5, Environmental sciences, GE1-350

وصف الملف: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/ffgc.2023.1116786/full; https://doaj.org/toc/2624-893X

URL الوصول: https://doaj.org/article/fcf4db5c49ae438ea64e819131714101

المؤلفون: Danielle Fraser, Sora L. Kim, Jeffrey M. Welker, Mark T. Clementz

المصدر: Ecology and Evolution, Vol 11, Iss 23, Pp 17005-17021 (2021)

مصطلحات موضوعية: oxygen stable isotopes, palaeoclimate, pronghorn, seasonality, Ecology, QH540-549.5

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2045-7758

URL الوصول: https://doaj.org/article/74c8a036af724a8e9c3c123d5a8a74f6

المؤلفون: Stine Højlund Pedersen, Torsten W. Bentzen, Adele K. Reinking, Glen E. Liston, Kelly Elder, Elizabeth A. Lenart, Alexander K. Prichard, Jeffrey M. Welker

المصدر: Movement Ecology, Vol 9, Iss 1, Pp 1-24 (2021)

مصطلحات موضوعية: Arctic Alaska, Barren-ground caribou, Migration, Movement ecology, Rangifer tarandus, Integrated step selection analysis, Biology (General), QH301-705.5

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2051-3933

URL الوصول: https://doaj.org/article/17a87238603b42a58d97788a3ae74674

المؤلفون: Courtney G. Collins, Sarah C. Elmendorf, Robert D. Hollister, Greg H. R. Henry, Karin Clark, Anne D. Bjorkman, Isla H. Myers-Smith, Janet S. Prevéy, Isabel W. Ashton, Jakob J. Assmann, Juha M. Alatalo, Michele Carbognani, Chelsea Chisholm, Elisabeth J. Cooper, Chiara Forrester, Ingibjörg Svala Jónsdóttir, Kari Klanderud, Christopher W. Kopp, Carolyn Livensperger, Marguerite Mauritz, Jeremy L. May, Ulf Molau, Steven F. Oberbauer, Emily Ogburn, Zoe A. Panchen, Alessandro Petraglia, Eric Post, Christian Rixen, Heidi Rodenhizer, Edward A. G. Schuur, Philipp Semenchuk, Jane G. Smith, Heidi Steltzer, Ørjan Totland, Marilyn D. Walker, Jeffrey M. Welker, Katharine N. Suding

المصدر: Nature Communications, Vol 12, Iss 1, Pp 1-12 (2021)

مصطلحات موضوعية: Science

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2041-1723

URL الوصول: https://doaj.org/article/cbc733aabf2d4dc7bac39446c2a95ec8

المؤلفون: A. Joshua Leffler, Heidi A. Becker, Katharine C. Kelsey, Donald A. Spalinger, Jeffrey M. Welker

المصدر: Ecosphere, Vol 13, Iss 6, Pp n/a-n/a (2022)

مصطلحات موضوعية: digestibility, leaf N concentration, long‐term warming, Rangifer tarandus, secondary compounds, short‐term warming, Ecology, QH540-549.5

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2150-8925

URL الوصول: https://doaj.org/article/666dd2faf5c045ecb25e8c781b15c63e

المؤلفون: Joseph A. MacGregor, Mark A. Fahnestock, William T. Colgan, Nicolaj K. Larsen, Kristian K. Kjeldsen, Jeffrey M. Welker

المصدر: Journal of Glaciology, Vol 66, Pp 667-684 (2020)

مصطلحات موضوعية: Ice and climate, ice chronology/dating, paleoclimate, remote sensing, Environmental sciences, GE1-350, Meteorology. Climatology, QC851-999

وصف الملف: electronic resource

Relation: https://www.cambridge.org/core/product/identifier/S0022143020000623/type/journal_article; https://doaj.org/toc/0022-1430; https://doaj.org/toc/1727-5652

URL الوصول: https://doaj.org/article/5544cfd255914d13a915138d18febefb

المؤلفون: Karyn C. DeFranco, Michael P. Ricketts, Elena Blanc-Betes, Jeffrey M. Welker, Miquel A. Gonzalez-Meler, Neil C. Sturchio

المصدر: Arctic, Antarctic, and Alpine Research, Vol 52, Iss 1, Pp 461-475 (2020)

مصطلحات موضوعية: arctic alaska, tundra, carbon, 210pb, snow depth, Environmental sciences, GE1-350, Ecology, QH540-549.5

وصف الملف: electronic resource

Relation: https://doaj.org/toc/1523-0430; https://doaj.org/toc/1938-4246

URL الوصول: https://doaj.org/article/94f02dd0431a4a63b39406ee574f04eb