Results 241 to 250 of about 4,572,649 (288)

Decreased brain serotonin activity is consistent with transportation stress in both sexes at different ages while circulating corticosterone levels have both age- and sex-related differences in Pekin ducks. [PDF]

Poult Sci
Roge E, Schober JM, von Seggern IC, Wilson N, Fraley GS.   +4 more
europepmc   +1 more source

Carbon-to-ATP ratios across the kingdoms of life. [PDF]

iScience
Fahimi P, Amirian MM, Irwin AJ, Finkel ZV.   +3 more
europepmc   +1 more source

The "Too-Few Elephant Problem": Quantitative Analysis of Historical Elephant Tree-Toppling Rates Across Africa. [PDF]

Ecosystems
Archibald S, Courtenay AP, Mtsetfwa F, da Silva DFPF, Bunney K, Guldemond R, Mograbi P, Ransom C, Ryan CM, Owen-Smith N.   +9 more
europepmc   +1 more source

Determinants of Bird Richness in the Louzishan National Nature Reserve: Effects of Productivity and Habitat Heterogeneity Across Taxonomic and Functional Dimensions. [PDF]

Ecol Evol
Ma X, Wang M, Zhang S, Wan D, Jiang Y.
europepmc   +1 more source

Turnover-Dominated β-Diversity and Its Temperature and Trophic Drivers of Scarabaeoidea Assemblages Along an Elevational Gradient in a Tropical Island Rainforest in China. [PDF]

Ecol Evol
Sun H, Chen Y, Hou R, Wu L.
europepmc   +1 more source

Rethinking evolutionary inference in metagenomic time series. [PDF]

mSystems
Eiler A.
europepmc   +1 more source

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Are there latitudinal gradients in species turnover?

Global Ecology and Biogeography, 2003
ABSTRACTAim  To examine the effect on the observed relationship between spatial turnover and latitude of both the measure of beta diversity used and the method of analysis.Location  The empirical analyses presented herein are for the New World.Methods  We take the spatial distributions of the owls of the New World as an exemplar data set to investigate
Kevin J Gaston, Jack J Lennon
exaly   +2 more sources

Trends in aquatic macrophyte species turnover in Northern Ireland - which factors determine the spatial distribution of local species turnover?

Global Ecology and Biogeography, 2004
ABSTRACTAim The study examined qualitative predictions of ecological theories in relation to the spatial distribution of species turnover of aquatic macrophytes, through the following parameters: (1) distance between lakes (2) chemical conditions of the lakes (3) chemical differences between the lakes, and (4) the lake size.Location 562 lakes dispersed
Einar Heegaard
exaly   +2 more sources