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Meta-analysis reveals lower genetic diversity in overfished populations
conservation genetics fi sh fi sheries management
2015/12/11
While population declines can drive the loss of genetic diversity under some circumstances, it has been unclear whether this loss is a general consequence of overharvest
in highly abundant marine ...
Inhabit(ants) of New York City: High diversity underfoot in urban environments（图）
New York City environments
2014/12/1
Cities have more species diversity than you’d expect. A study of ants in Manhattan found not only a wide range of species, but also significant differences in the levels of biodiversity in different u...
Changes in Epipelic Diatom Diversity from the Savannah River Estuary
Epipelic Diatoms Brackish Water Savannah River
2013/3/9
Littoral zones can be characterized with temporal exposure of algae to diurnal desiccation at low tides. Combinations of diverse freshwater, marine, and brackish diatoms dominate exposed mud samples. ...
Study of the Effect of Himreen Dam on the Phytoplankton Diversity in Dyala River, Iraq
Himreen Dam Impoundment Phytoplankton Species Richness Similarity Index
2013/3/11
In present study three stations are located on Diyala River has been investigated to study phytoplankton community, the first station was located in jalawlaa area, second station in Himreen impoundmen...
Evaluating Plant Species Diversity and Physiographical Factors in Natural Broad Leaf Forest
Physiographical factors diversity forest Simpson’s index slope aspect altitude
2010/12/21
Problem statement: Species diversity is one of the most important specifications of biological societies. Diversity of organisms, measurement of variety and examination of those hypotheses that are ab...