Sentence examples for a decrease in richness from inspiring English sources

An increase in low-intensity land-use was linked to an increase (or less marked decrease) in species richness at sites located in open farmland surroundings but to a decrease in richness at sites located in forest surroundings.

A recent meta-analysis documented an increase in fish species richness with moderate declines in coral cover that shifted to a decrease in richness with more severe declines of coral [52], consistent with the model of intermediate disturbance.

For dung beetles, in addition to a decrease in richness, a decrease in abundance has been observed, along with changes in species composition that depend on the degree of habitat transformation, see [20] and references cited therein.

Across all studies, arthropod diversity responded significantly negatively to an increase in grazing intensity (GLMM: μ = −0.14 ± 0.04, t = −3.36, P = 0.002, Fig. 2A), with over 80% of the data points showing a decrease in richness.

While the annual variation amongst treatments was not significant, the results of this study suggest that fall burns support higher overall richness and native species richness; spring burns yield a decrease in overall richness, but an increase in native species richness; and summer burns contribute to an initial decline in overall and native species richness.

Second, we also examined correlations between latitude and allelic richness, or latitude and He, because a decrease in allelic richness or He with latitude may indicate that the population has not yet reached equilibrium since expansion from the last glacial maximum.

However, care must be taken to avoid a decrease in the richness of humic fractions in the obtained products.

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

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.

Furthermore, socio-professional categories appear to influence the likelihood of reporting an increase in abusive cutting of tree, spread of invasive species and a decrease in species richness of the vegetation.