@article{7dfe4a8bce4a4ee6ab3da6ebc8fcc070,
title = "Body size and digestive system shape resource selection by ungulates: A cross-taxa test of the forage maturation hypothesis",
abstract = "The forage maturation hypothesis (FMH) states that energy intake for ungulates is maximised when forage biomass is at intermediate levels. Nevertheless, metabolic allometry and different digestive systems suggest that resource selection should vary across ungulate species. By combining GPS relocations with remotely sensed data on forage characteristics and surface water, we quantified the effect of body size and digestive system in determining movements of 30 populations of hindgut fermenters (equids) and ruminants across biomes. Selection for intermediate forage biomass was negatively related to body size, regardless of digestive system. Selection for proximity to surface water was stronger for equids relative to ruminants, regardless of body size. To be more generalisable, we suggest that the FMH explicitly incorporate contingencies in body size and digestive system, with small-bodied ruminants selecting more strongly for potential energy intake, and hindgut fermenters selecting more strongly for surface water.",
keywords = "Equidae, forage biomass, hindgut fermentation, macroecology, ruminant, step-selection function, water requirements",
author = "Saeideh Esmaeili and Jesmer, {Brett R.} and Albeke, {Shannon E.} and Aikens, {Ellen O.} and Schoenecker, {Kathryn A.} and King, {Sarah R.B.} and Briana Abrahms and Bayarbaatar Buuveibaatar and Beck, {Jeffrey L.} and Boone, {Randall B.} and Francesca Cagnacci and Simon Chamaill{\'e}-Jammes and Buyanaa Chimeddorj and Cross, {Paul C.} and Nandintsetseg Dejid and Jagdag Enkhbyar and Fischhoff, {Ilya R.} and Ford, {Adam T.} and Kate Jenks and Hemami, {Mahmoud Reza} and Hennig, {Jacob D.} and Ito, {Takehiko Y.} and Petra Kaczensky and Kauffman, {Matthew J.} and Linnell, {John D.C.} and Badamjav Lkhagvasuren and McEvoy, {John F.} and Joerg Melzheimer and Merkle, {Jerod A.} and Thomas Mueller and Jeff Muntifering and Atle Mysterud and Olson, {Kirk A.} and Manuela Panzacchi and Payne, {John C.} and Luca Pedrotti and Rauset, {Geir R.} and Rubenstein, {Daniel I.} and Hall Sawyer and Scasta, {John D.} and Johannes Signer and Melissa Songer and Stabach, {Jared A.} and Seth Stapleton and Olav Strand and Sundaresan, {Siva R.} and Dorj Usukhjargal and Ganbold Uuganbayar and Fryxell, {John M.} and Goheen, {Jacob R.}",
note = "Funding Information: The authors are grateful to the following organisations for funding, data collection and co-ownership: Berry Biodiversity Center at the University of Wyoming, Chicago Zoological Society, Iranian Department of Environment, Isfahan University of Technology and Saint Louis Zoo (SE, M-RH and JRG); Etosha Ecological Institute (BA); Austrian Science Fund (PK); Oyu Tolgoi LLC Core Biodiversity Monitoring Program, Wildlife Conservation Society and Sustainability East Asia LLC (BB, PK and JCP); Department of Interior and Bureau of Land Management (JLB, JDH, HS, JDS, SRBK and KAS); University of Wyoming{\textquoteright}s College of Agriculture and Natural Resources Extension, the Y Cross Ranch Endowment, Wyoming Department of Agriculture – Wild Horse Research Program–Wildlife (WHRP-W) and the U.S. Department of Agriculture{\textquoteright}s McIntire Stennis Project (JLB, JDH and JDS); the U.S. National Science Foundation (RBB and DIR); Zimbabwe Parks and Wildlife Management Authority and the Zone Atelier (LTSER) Hwange program of the CNRS (SC-J); SANParks Scientific Services (PCC); the U.S. Geological Survey (PCC, KAS and SRBK); Smithsonian National Zoo & Conservation Biology Institute, Senckenberg Biodiversity and Climate Research Centre, Minnesota Zoo, Minnesota Zoo Foundation and Hustai National Park (ND and SS); Robert Bosch Foundation and the German Federal Ministry of Education and Research (TM and ND); Natural Sciences and Engineering Research Council of Canada (ATF and JRG); Japan Ministry of Education, Sports, Science, and Technology (TYI); Federal Ministry of Education and Research (TM); The Nature Conservancy{\textquoteright}s Africa Programme (JRM); Norwegian Institute for Nature Research and Norwegian Environment Agency (MP, OS and GR); Research Council of Norway (JDCL) and the Euromammals/Eurodeer collaborative initiative (www.eurodeer.org) for providing data and expertise and Princeton University (DIR). We thank B. Maitland, J. Alston, B. Brito, B. Hays, F. Molina and T. S. M. Stratmann for help with graphics and for valuable discussion. S. Focardi, N. Morellet, N. Owen-Smith and an anonymous reviewer provided constructive criticism. We thank B. Reineking for assistance with step selection functions, and J. Evans for assistance with remotely sensed data layers. Any use of trade, firm or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Funding Information: The authors are grateful to the following organisations for funding, data collection and co‐ownership: Berry Biodiversity Center at the University of Wyoming, Chicago Zoological Society, Iranian Department of Environment, Isfahan University of Technology and Saint Louis Zoo (SE, M‐RH and JRG); Etosha Ecological Institute (BA); Austrian Science Fund (PK); Oyu Tolgoi LLC Core Biodiversity Monitoring Program, Wildlife Conservation Society and Sustainability East Asia LLC (BB, PK and JCP); Department of Interior and Bureau of Land Management (JLB, JDH, HS, JDS, SRBK and KAS); University of Wyoming{\textquoteright}s College of Agriculture and Natural Resources Extension, the Y Cross Ranch Endowment, Wyoming Department of Agriculture – Wild Horse Research Program–Wildlife (WHRP‐W) and the U.S. Department of Agriculture{\textquoteright}s McIntire Stennis Project (JLB, JDH and JDS); the U.S. National Science Foundation (RBB and DIR); Zimbabwe Parks and Wildlife Management Authority and the Zone Atelier (LTSER) Hwange program of the CNRS (SC‐J); SANParks Scientific Services (PCC); the U.S. Geological Survey (PCC, KAS and SRBK); Smithsonian National Zoo & Conservation Biology Institute, Senckenberg Biodiversity and Climate Research Centre, Minnesota Zoo, Minnesota Zoo Foundation and Hustai National Park (ND and SS); Robert Bosch Foundation and the German Federal Ministry of Education and Research (TM and ND); Natural Sciences and Engineering Research Council of Canada (ATF and JRG); Japan Ministry of Education, Sports, Science, and Technology (TYI); Federal Ministry of Education and Research (TM); The Nature Conservancy{\textquoteright}s Africa Programme (JRM); Norwegian Institute for Nature Research and Norwegian Environment Agency (MP, OS and GR); Research Council of Norway (JDCL) and the Euromammals/Eurodeer collaborative initiative ( www.eurodeer.org ) for providing data and expertise and Princeton University (DIR). We thank B. Maitland, J. Alston, B. Brito, B. Hays, F. Molina and T. S. M. Stratmann for help with graphics and for valuable discussion. S. Focardi, N. Morellet, N. Owen‐Smith and an anonymous reviewer provided constructive criticism. We thank B. Reineking for assistance with step selection functions, and J. Evans for assistance with remotely sensed data layers. Any use of trade, firm or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Publisher Copyright: {\textcopyright} 2021 John Wiley & Sons Ltd.",
year = "2021",
month = oct,
doi = "10.1111/ele.13848",
language = "English (US)",
volume = "24",
pages = "2178--2191",
journal = "Ecology Letters",
issn = "1461-023X",
publisher = "Wiley-Blackwell",
number = "10",
}