Sentence examples for a decrease in species from inspiring English sources

A decrease in species richness and total abundance was observed from old deciduous forests to cereal crops.

These can lead to a decrease in species richness and the abundance of individual species towards the centre of cities and towns.

Overall plant community composition in open grassland neighboring trees changed little in response to livestock grazing removal, yet we did see a decrease in species richness and diversity surrounding deciduous oaks as the dominance of the exotic annual Bromus diandrus Roth increased.

Shahriary et al. (2012) also reported a decrease in species richness with increased grazing intensity around the piospheres of Iran.

For S. trutta fario, S. trutta trutta and E. lucius a decrease in species abundance could be observed during the entire catching period.

Contrary to expectations, this was not due to species loss after eutrophication but rather to an increase in the temporal variation of productivity in combination with a decrease in species asynchrony in diverse communities.

Shifts in species composition and a decrease in riparian species richness were found in almost all studies as a result of periods of more intense, or prolonged summer drought.

Mice that lacked the AhR gene underwent marked changes in their gut microbial populations, with a decrease in Firmicutes species and an increase in Bacteroides species.

This may lead to a decline in herbaceous species in the short term, and a decrease in tree species in the long run due to an increase in mortality and reduction in seedling recruitment.

As a result, land abandonment is contributing to a decrease in local species richness and a decrease in rare and endemic species.

For large part of these areas, this coincided with a decrease in competing species, indicating an improvement of target and red list plant species.