Results 21 to 30 of about 482,058 (353)

Long-term species richness-abundance dynamics in relation to species departures and arrivals in wintering urban bird assemblages [PDF]

open access: yes, 2019
Temporal dynamics of local assemblages depend on the species richness and the total abundance of individuals as well as local departure and arrival rates of species. We used urban bird survey data collected from the same 31 study plots and methods during
Jokimaki, Jukka, Suhonen, Jukka
core   +2 more sources

Unsaturated fish assemblages in rivers of the North-Western France : potential consequences for species introductions

open access: yesKnowledge and Management of Aquatic Ecosystems, 1997
Introductions of freshwater fish into French rivers have been carried out with increasing frequency in the last decades. Thus, the potential impact of these introductions is of major concern for biologists and fishery managers. Knowledge of the degree of
BELKESSAM D., OBERDORFF T., HUGUENY B.
doaj   +1 more source

Determinants of species richness patterns in the Netherlands across multiple taxonomic groups [PDF]

open access: yes, 2009
We examined the species richness patterns of five different species groups (mosses, reptiles and amphibians, grasshoppers and crickets, dragonflies, and hoverflies) in the Netherlands (41,500 km2) using sampling units of 5 × 5 km. We compared the spatial
Barendrecht, A.   +3 more
core   +2 more sources

Testing the causal mechanism of the peninsular effect in passerine birds from South Korea.

open access: yesPLoS ONE, 2021
The peninsular effect is a geographical phenomenon that explains patterns of species richness. Given that spatial variation in species richness along a peninsular may be driven by multiple processes, we aimed to identify the sources of latitudinal ...
Jin-Yong Kim   +4 more
doaj   +1 more source

The effect of elevation on species richness in tropical forests depends on the considered lifeform: results from an East African mountain forest [PDF]

open access: yes, 2019
Elevation gradients in tropical forests have been studied but the analysis of patterns displayed by species richness and elevation have received little attention.
Amani, Christian   +3 more
core   +1 more source

Latitudinal gradient in Gnomeskelus species richness [PDF]

open access: yesArthropods, 2020
The Tropical Conservativism Hypothesis suggests processes of speciation, extinction and dispersal resulted in higher species richness at the tropics and declined away from the equator. Biogeographical Conservativism Hypothesis suggests that the processes
Mark Cooper
doaj  

The Importance of Including Soil Properties When Disentangling the Drivers of Species Richness: The Case of the Alpine Genus Saxifraga L. in China

open access: yesFrontiers in Ecology and Evolution, 2020
Despite the numerous studies on the large-scale patterns of species richness, the spatial variation and determinants of species richness for the alpine plants are still an outstanding question and critical to future biodiversity conservation.
Lian Liu   +9 more
doaj   +1 more source

Energy Availability Factors Drive the Geographical Pattern of Tenebrionidae (Coleoptera) in the Arid and Semiarid Areas of China

open access: yesDiversity, 2022
Species richness is regarded as the core index of biogeography. Estimating the correlation between species richness and modern environmental factors will be of great significance for species conservation.
Yalin Li   +4 more
doaj   +1 more source

Wild Bee Conservation within Urban Gardens and Nurseries: Effects of Local and Landscape Management [PDF]

open access: yes, 2019
Across urban environments, vegetated habitats provide refuge for biodiversity. Gardens (designed for food crop production) and nurseries (designed for ornamental plant production) are both urban agricultural habitats characterized by high plant species ...
Cecala, Jacob M.   +2 more
core   +1 more source

Predicting coral species richness: the effect of input variables, diversity and scale. [PDF]

open access: yesPLoS ONE, 2014
Coral reefs are facing a biodiversity crisis due to increasing human impacts, consequently, one third of reef-building corals have an elevated risk of extinction.
Zoe T Richards, Jean-Paul A Hobbs
doaj   +1 more source

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