Stand-level richness varied within and across study regions (mean range: 30 38 species).
At the plot level, richness decreased with increasing EC and pH, but increased with soil organic matter.
We further grouped route-level richness and abundance data by guild for all analyses.
Family-level richness over time was also documented.
When such information is used to address family-level richness in an ancient clade of insects, different models of macroevolution are supported.
Thus, on Species, Genus, and Class level, richness was significantly lower in human samples than in samples derived from guinea pigs (P < 0.05, Additional file 2: Figure S2).
Families which could not be included in the phylogeny, because phylogenetic information is unavailable, were however included when looking at family-level richness over time, to provide as complete a picture as possible.
Even more exciting are Valpolicellas that have reached new levels of richness (and price) and muscularity but are not overbearing.
The facial moisturisers (pictured here in Tulle, £15) come in three levels of richness, from oily/combination to normal to dry.
Other macroinvertebrates like water fleas took a bit longer, around 5 to 10 years, and these communities usually did not reach their original levels of richness or abundance.
