Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/30381
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dc.contributor.authorAharon-Rotman, Yaaraen
dc.contributor.authorMcEvoy, Johnen
dc.contributor.authorZhaoju, Zhengen
dc.contributor.authorYu, Huien
dc.contributor.authorWang, Xinen
dc.contributor.authorSi, Yalien
dc.contributor.authorXu, Zhenggangen
dc.contributor.authorYuan, Zengen
dc.contributor.authorJeong, Wooseogen
dc.contributor.authorCao, Leien
dc.contributor.authorFox, Anthony Den
dc.date.accessioned2021-04-07T07:15:01Z-
dc.date.available2021-04-07T07:15:01Z-
dc.date.issued2017-12-
dc.identifier.citationEcology and Evolution, 7(23), p. 10440-10450en
dc.identifier.issn2045-7758en
dc.identifier.urihttps://hdl.handle.net/1959.11/30381-
dc.description.abstractExtensive ephemeral wetlands at Poyang Lake, created by dramatic seasonal changes in water level, constitute the main wintering site for migratory Anatidae in China. Reductions in wetland area during the last 15 years have led to proposals to build a Poyang Dam to retain high winter water levels within the lake. Changing the natural hydrological system will affect waterbirds dependent on water level changes for food availability and accessibility. We tracked two goose species with different feeding behaviors (greater white‐fronted geese <i>Anser albifrons</i> [grazing species] and swan geese <i>Anser cygnoides</i> [tuber‐feeding species]) during two winters with contrasting water levels (continuous recession in 2015; sustained high water in 2016, similar to those predicted post‐Poyang Dam), investigating the effects of water level change on their habitat selection based on vegetation and elevation. In 2015, white‐fronted geese extensively exploited sequentially created mudflats, feeding on short nutritious graminoid swards, while swan geese excavated substrates along the water edge for tubers. This critical dynamic ecotone successively exposes subaquatic food and supports early‐stage graminoid growth during water level recession. During sustained high water levels in 2016, both species selected mudflats, but also to a greater degree of habitats with longer established seasonal graminoid swards because access to tubers and new graminoid growth was restricted under high‐water conditions. Longer established graminoid swards offer less energetically profitable forage for both species. Substantial reduction in suitable habitat and confinement to less profitable forage by higher water levels is likely to reduce the ability of geese to accumulate sufficient fat stores for migration, with potential carryover effects on subsequent survival and reproduction. Our results suggest that high water levels in Poyang Lake should be retained during summer, but permitted to gradually recede, exposing new areas throughout winter to provide access for waterbirds from all feeding guilds.en
dc.languageenen
dc.publisherJohn Wiley & Sons Ltden
dc.relation.ispartofEcology and Evolutionen
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.titleWater level affects availability of optimal feeding habitats for threatened migratory waterbirdsen
dc.typeJournal Articleen
dc.identifier.doi10.1002/ece3.3566en
dc.identifier.pmid29238566en
dcterms.accessRightsUNE Greenen
local.contributor.firstnameYaaraen
local.contributor.firstnameJohnen
local.contributor.firstnameZhengen
local.contributor.firstnameHuien
local.contributor.firstnameXinen
local.contributor.firstnameYalien
local.contributor.firstnameZhenggangen
local.contributor.firstnameZengen
local.contributor.firstnameWooseogen
local.contributor.firstnameLeien
local.contributor.firstnameAnthony Den
local.subject.for2008060806 Animal Physiological Ecologyen
local.subject.seo2008970105 Expanding Knowledge in the Environmental Sciencesen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailyaharonr@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.publisher.placeUnited Kingdomen
local.format.startpage10440en
local.format.endpage10450en
local.identifier.scopusid85040010462en
local.peerreviewedYesen
local.identifier.volume7en
local.identifier.issue23en
local.access.fulltextYesen
local.contributor.lastnameAharon-Rotmanen
local.contributor.lastnameMcEvoyen
local.contributor.lastnameZhaojuen
local.contributor.lastnameYuen
local.contributor.lastnameWangen
local.contributor.lastnameSien
local.contributor.lastnameXuen
local.contributor.lastnameYuanen
local.contributor.lastnameJeongen
local.contributor.lastnameCaoen
local.contributor.lastnameFoxen
dc.identifier.staffune-id:yaharonren
local.profile.orcid0000-0002-2142-2718en
local.profile.roleauthoren
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local.identifier.unepublicationidune:1959.11/30381en
local.date.onlineversion2017-11-07-
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleWater level affects availability of optimal feeding habitats for threatened migratory waterbirdsen
local.relation.fundingsourcenoteKey Strategic Program of the Chinese Academy of Sciences, Grant/Award Number: ZDRW-ZS-2017-3; Water Ecological Security Assessment; Great Strategy Research of Middle and Lower Yangtze River, Grant/ Award Number: ZDRW-ZS-2017-3; the National Natural Science Foundation of China, Grant/Award Number: 31661143027, 31670424 and 31370416; China Postdoctoral Science Foundation, Grant/Award Number: 2016M600135; CAS President’s International Fellowship Initiative (PIFI), Grant/Award Number: 2016PE027en
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorAharon-Rotman, Yaaraen
local.search.authorMcEvoy, Johnen
local.search.authorZhaoju, Zhengen
local.search.authorYu, Huien
local.search.authorWang, Xinen
local.search.authorSi, Yalien
local.search.authorXu, Zhenggangen
local.search.authorYuan, Zengen
local.search.authorJeong, Wooseogen
local.search.authorCao, Leien
local.search.authorFox, Anthony Den
local.open.fileurlhttps://rune.une.edu.au/web/retrieve/f5f1e9f9-49c9-4b64-87c0-565216fdc109en
local.uneassociationNoen
local.atsiresearchNoen
local.sensitive.culturalNoen
local.year.available2017en
local.year.published2017en
local.fileurl.openhttps://rune.une.edu.au/web/retrieve/f5f1e9f9-49c9-4b64-87c0-565216fdc109en
local.fileurl.openpublishedhttps://rune.une.edu.au/web/retrieve/f5f1e9f9-49c9-4b64-87c0-565216fdc109en
local.subject.for2020310907 Animal physiological ecologyen
local.subject.seo2020280111 Expanding knowledge in the environmental sciencesen
Appears in Collections:Journal Article
School of Environmental and Rural Science
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