Arid
DOI10.1016/j.jaridenv.2018.04.007
Fall vegetative cover and summer precipitation predict abundance of wintering grassland birds across the Chihuahuan desert
Macias-Duarte, Alberto1; Panjabi, Arvind O.2; Pool, Duane B.2; Ruvalcaba-Ortega, Irene3; Levandoski, Greg J.2
通讯作者Macias-Duarte, Alberto
来源期刊JOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
EISSN1095-922X
出版年2018
卷号156页码:41-49
英文摘要

Local winter abundance of grassland passerines is highly variable throughout the Chihuahuan Desert among years. The objective of this study is to determine if plant biomass in grasslands and precipitation are predictors of bird abundance in space and time through Chihuahuan Desert. We conducted avian surveys in 17 Grassland Priority Conservation Areas (GPCA) in northern Mexico and southwestern United States in the winters of 2007-2011. We used distance sampling on line transects to estimate annual winter bird density in all GPCAs. We used a hierarchical model of distance sampling to estimate the effect of summer precipitation and vegetative cover during the fall on bird density for 10 grassland species. We used the MODIS NDVI at a pixel resolution of 231.5 m as a measure of plant biomass. Grasshopper Sparrow, Baird’s Sparrow, Savannah Sparrow, Vesper Sparrow, and Eastern Meadowlark showed a strict positive response to NDVI, while Homed Lark, Sprague’s Pipit, Chestnut-collared Longspur and Lark Bunting did not show a strictly-positive response to NDVI. Our results provide a valuable tool for the conservation of declining migratory birds on their wintering grounds by identifying a wildlife-habitat relationship using a remotely-sensed and readily available index of vegetative growth.


英文关键词Birds Chihuahuan desert Distance sampling Grassland Precipitation NDVI Remote sensing
类型Article
语种英语
国家Mexico ; USA
收录类别SCI-E
WOS记录号WOS:000439682400006
WOS关键词RAINFALL ; WINBUGS ; NDVI
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/210571
作者单位1.Univ Estatal Sonora, Cuerpo Acad Recursos Nat, Ley Fed del Trabajo S-N, Hermosillo 83100, Sonora, Mexico;
2.Bird Conservancy Rockies, 230 Cherry St,Suite 150, Ft Collins, CO 80521 USA;
3.Univ Autonoma Nuevo Leon, Fac Ciencias Biol, Lab Biol Conservac & Desarrollo Sustentable, Ave Pedro de Alba S-N, San Nicolas De Los Garza, Nuevo Leon, Mexico
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Macias-Duarte, Alberto,Panjabi, Arvind O.,Pool, Duane B.,et al. Fall vegetative cover and summer precipitation predict abundance of wintering grassland birds across the Chihuahuan desert[J],2018,156:41-49.
APA Macias-Duarte, Alberto,Panjabi, Arvind O.,Pool, Duane B.,Ruvalcaba-Ortega, Irene,&Levandoski, Greg J..(2018).Fall vegetative cover and summer precipitation predict abundance of wintering grassland birds across the Chihuahuan desert.JOURNAL OF ARID ENVIRONMENTS,156,41-49.
MLA Macias-Duarte, Alberto,et al."Fall vegetative cover and summer precipitation predict abundance of wintering grassland birds across the Chihuahuan desert".JOURNAL OF ARID ENVIRONMENTS 156(2018):41-49.
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