Results 41 to 50 of about 43,983 (161)

Road Zone Effects in Small-Mammal Communities

open access: yesEcology and Society, 2009
Our study focused on the putative effects of roads on small-mammal communities in a high desert region of southern Utah. Specifically, we tested whether or not roads create adjacent zones characterized by lower small- mammal densities, abundance, and ...
John A. Bissonette, Silvia A. Rosa
doaj   +1 more source

Can Rock-Rubble Groynes Support Similar Intertidal Ecological Communities to Natural Rocky Shores?

open access: yesLand, 2020
Despite the global implementation of rock-rubble groyne structures, there is limited research investigating their ecology, much less than for other artificial coastal structures. Here we compare the intertidal ecology of urban (or semi-urban) rock-rubble
Paul Holloway, Richard Field
doaj   +1 more source

Fractional abundance and the ecology of community structure

open access: yes, 2010
Main body of 10 pages, 3 figures; 4 supplements with 17 pages and 8 ...
Kelly, Colleen K.   +3 more
openaire   +2 more sources

Ecological niche structure and rangewide abundance patterns of species [PDF]

open access: yesBiology Letters, 2013
Spatial abundance patterns across species' ranges have attracted intense attention in macroecology and biogeography. One key hypothesis has been that abundance declines with geographical distance from the range centre, but tests of this idea have shown that the effect may occur indeed only in a minority of cases.
A. Townsend Peterson   +4 more
openaire   +3 more sources

Effect of forest density on richness and diversity of spring oak gallwasps (sexual generation) at oak forests in West Azarbaijan [PDF]

open access: yesمجله جنگل ایران, 2019
This research was carried out for investigating the effect of stand density on the richness and diversity of spring gallwasps species in Quercus branti stands in Sardasht forest (West Azarbaijan province).
Z Bagheri   +2 more
doaj  

Ecological Energetics of an Abundant Aerial Insectivore, the Purple Martin

open access: yesPLoS ONE, 2013
The atmospheric boundary layer and lower free atmosphere, or aerosphere, is increasingly important for human transportation, communication, environmental monitoring, and energy production. The impacts of anthropogenic encroachment into aerial habitats are not well understood.
Jeffrey F. Kelly   +3 more
openaire   +6 more sources

The structure of ant–plant ecological networks: Is abundance enough? [PDF]

open access: yesEcology, 2014
Knowledge of the mechanisms that shape biodiversity is essential to understand the ecological and evolutionary dynamics of interacting species. Recent studies posit that most of the organization of mutualistic networks is shaped by differences in species abundance among interacting species. In this study, we examined the mutualism involving plants with
Thiago J. Izzo   +3 more
openaire   +3 more sources

Estimating population parameters of longsnout seahorses, Hippocampus reidi (Teleostei: Syngnathidae) through mark-recapture

open access: yesNeotropical Ichthyology, 2017
Estimating population parameters is essential for understanding the ecology of species, which ultimately helps to assess their conservation status. The seahorse Hippocampus reidi is directly exposed to anthropogenic threats along the Brazilian coast, but
Alexandre C. Siqueira   +4 more
doaj   +1 more source

Trait–Abundance Relationships of Annual Ephemerals in Response to Nitrogen Addition in Gurbantunggut Desert

open access: yesDiversity, 2021
Understanding the effect of nitrogen addition on species trait–abundance relationships is one of the central focuses of community ecology and can offer us insights into the mechanisms of community assembly under atmospheric nitrogen deposition.
Mao Wang, Haiyang Ma, Dunyan Tan
doaj   +1 more source

A strong test of the Maximum Entropy Theory of Ecology [PDF]

open access: yes, 2013
The Maximum Entropy Theory of Ecology (METE) is a unified theory of biodiversity that predicts a large number of macroecological patterns using only information on the species richness, total abundance, and total metabolic rate of the community. We evaluated four major predictions of METE simultaneously at an unprecedented scale using data from 60 ...
arxiv   +1 more source

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