Sentence examples for abundance occurrence from inspiring English sources

"Many wild bees and butterflies have been declining in abundance, occurrence and diversity at local and regional scales in Northwest Europe and North America," said an assessment by the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services IPBESS).

Three-dimensional plots displaying abundance, occurrence and evenness of sequences in LCs.

Hence, the abundance and occurrence modes of arsenic in coal have previously been described in a greater detail.

Species response (abundance and occurrence) to flooding were modelled with Generalized Additive Models for 21 dominant plant species.

Abundance and occurrence of both ground squirrel and badger burrows in lowland habitats was relatively independent of grazing intensity or vegetation.

Understanding the abundance and occurrence modes of minerals in coal is significant both academically for developing conjectures concerning coal-forming processes and pragmatically for optimizing coal utilization (Ren 1996; Ward 2002; Dai et al. 2012c).

Richter and Azous (1995, 2001) reported amphibian richness was unrelated to wetland size, whereas Adams (1999) and Pearl et al. (2005) found R. aurora abundance and occurrence negatively associated with wetland open water.

Ant abundance and occurrence were positively related to cocoon size and the presence of scale insects on branches of the trees, and negatively influenced by cocoon occupancy by other invertebrates.

Burrow abundance and occurrence as well as vegetation structure were assessed for 2 yr prior to the introduction of cattle to this landscape in 2008, which followed at least 15 yr without livestock, and from 2009 to 2012, following introduction of livestock.

Pyrargyrite (Ag3SbS3) is one of the most important silver ores because of its abundance and occurrence in mineral deposits; it is refractory to cyanide, and therefore, silver recovery in standard cyanidation processes for precious metals extraction is low.

One basic assumption is that the observer will always detect fish in the same way from one sampling unit to the next, implying that, on average, the spatial distribution pattern of fish abundance or occurrence remains the same from one transect to the next (H0).