Species Diversity Patterns in Woody Flora on Three North American Peninsulas

1988 ◽  
Vol 15 (5/6) ◽  
pp. 759 ◽  
Author(s):  
Mark W. Schwartz
Keyword(s):  
Species Diversity ◽  
North American ◽  
Diversity Patterns

A comparison of latitudinal species diversity patterns between riverine and terrestrial earthworms from the North American temperate zone

2020 ◽  
Vol 47 (6) ◽  
pp. 1373-1382
Author(s):  
Hiroshi Ikeda ◽  
Mac A. Callaham ◽  
Richard P. Shefferson ◽  
Evelyn S. Wenk ◽  
Carlos Fragoso
Keyword(s):  
Species Diversity ◽  
North American ◽  
Temperate Zone ◽  
Diversity Patterns ◽  
The North

SPECIES DIVERSITY PATTERNS DERIVED FROM SPECIES–AREA MODELS

Ecology ◽  
2002 ◽  
Vol 83 (5) ◽  
pp. 1185-1198 ◽  
Author(s):  
Fangliang He ◽  
Pierre Legendre
Keyword(s):  
Species Diversity ◽  
Diversity Patterns ◽  
Species Area

Environmental correlates of herpetofaunal diversity in Costa Rica

2010 ◽  
Vol 26 (5) ◽  
pp. 521-531 ◽  
Author(s):  
David Laurencio ◽  
Lee A. Fitzgerald
Keyword(s):  
Costa Rica ◽  
Species Diversity ◽  
Beta Diversity ◽  
Geographic Distance ◽  
Alpha Diversity ◽  
High Elevation ◽  
Diversity Patterns ◽  
Regional Diversity ◽  
Environmental Correlates ◽  
High Elevation Site

Abstract:Disentangling local and historical factors that determine species diversity patterns at multiple spatial scales is fundamental to elucidating processes that govern ecological communities. Here we investigated how environmental correlates may influence diversity at local and regional scales. Primarily utilizing published species lists, amphibian and reptile alpha and beta diversity were assessed at 17 well-surveyed sites distributed among ecoregions throughout Costa Rica. The degree to which regional species diversity patterns were related to environmental variables and geographic distance was determined using Canonical Correspondence Analysis and Mantel tests. Amphibian alpha diversity was highest in lowland Pacific sites (mean = 43.3 species) and lowest at the high elevation site (9 species). Reptile alpha diversity values were high for both lowland Atlantic (mean = 69.5 species) and lowland Pacific (mean = 67 species) sites and lowest for the high elevation site (8 species). We found high species turnover between local sites and ecoregions, demonstrating the importance of beta diversity in the determination of regional diversity. For both amphibians and reptiles, beta diversity was highest between the high-elevation site and all others, and lowest among lowland sites within the same ecoregion. The effect of geographic distance on beta diversity was minor. Ecologically significant climatic variables related to rain, temperature, sunshine and insolation were found to be important determinants of local and regional diversity for both amphibians and reptiles in Costa Rica.

scholarly journals Climatic Change Can Influence Species Diversity Patterns and Potential Habitats of Salicaceae Plants in China

Forests ◽  
2019 ◽  
Vol 10 (3) ◽  
pp. 220 ◽  
Author(s):  
WenQing Li ◽  
MingMing Shi ◽  
Yuan Huang ◽  
KaiYun Chen ◽  
Hang Sun ◽  
...  
Keyword(s):  
Climate Change ◽  
Species Diversity ◽  
Last Glacial Maximum ◽  
Climate Warming ◽  
Southwest China ◽  
Diversity Patterns ◽  
Suitable Habitats ◽  
The Last Glacial Maximum ◽  
Niche Models ◽  
The Last Glacial

Salicaceae is a family of temperate woody plants in the Northern Hemisphere that are highly valued, both ecologically and economically. China contains the highest species diversity of these plants. Despite their widespread human use, how the species diversity patterns of Salicaceae plants formed remains mostly unknown, and these may be significantly affected by global climate warming. Using past, present, and future environmental data and 2673 georeferenced specimen records, we first simulated the dynamic changes in suitable habitats and population structures of Salicaceae. Based on this, we next identified those areas at high risk of habitat loss and population declines under different climate change scenarios/years. We also mapped the patterns of species diversity by constructing niche models for 215 Salicaceae species, and assessed the driving factors affecting their current diversity patterns. The niche models showed Salicaceae family underwent extensive population expansion during the Last Inter Glacial period but retreated to lower latitudes during and since the period of the Last Glacial Maximum. Looking ahead, as climate warming intensifies, suitable habitats will shift to higher latitudes and those at lower latitudes will become less abundant. Finally, the western regions of China harbor the greatest endemism and species diversity of Salicaceae, which are significantly influenced by annual precipitation and mean temperature, ultraviolet-B (UV-B) radiation, and the anomaly of precipitation seasonality. From these results, we infer water–energy dynamic equilibrium and historical climate change are both the main factors likely regulating contemporary species diversity and distribution patterns. Nevertheless, this work also suggests that other, possibly interacting, factors (ambient energy, disturbance history, soil condition) influence the large-scale pattern of Salicaceae species diversity in China, making a simple explanation for it unlikely. Because Southwest China likely served as a refuge for Salicaceae species during the Last Glacial Maximum, it is a current hotspot for endemisms. Under predicted climate change, Salicaceae plants may well face higher risks to their persistence in southwest China, so efforts to support their in-situ conservation there are urgently needed.

scholarly journals Species diversity patterns in managed Scots pine stands in ancient forest sites

PLoS ONE ◽  
2019 ◽  
Vol 14 (7) ◽  
pp. e0219620 ◽  
Author(s):  
Ewa Stefańska-Krzaczek ◽  
Monika Staniaszek-Kik ◽  
Katarzyna Szczepańska ◽  
Tomasz H. Szymura
Keyword(s):  
Species Diversity ◽  
Scots Pine ◽  
Diversity Patterns ◽  
Forest Sites ◽  
Ancient Forest ◽  
Pine Stands ◽  
Scots Pine Stands

Energy input and species diversity patterns in microcosms

Oikos ◽  
2006 ◽  
Vol 113 (2) ◽  
pp. 314-324 ◽  
Author(s):  
Philip H. Warren ◽  
Anita J. Weatherby
Keyword(s):  
Species Diversity ◽  
Energy Input ◽  
Diversity Patterns
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