Shell shape variation of the freshwater mussel Castalia ambigua in relation to environmental and genetic drivers remains unresolved South America. Along an increasing upstream downstream hydrological gradient Caeté River, eastern Amazon, Brazil, we evaluated two co-occurring morphotypes C. ambigua: first is elongated compressed; second rounded inflated. We performed multivariate analysis on lat...

HIGHLIGHTS Eleven crystalline morphotypes were found in Baccharis articulata. Calcium oxalate is the chemical composition of crystals. Both monohydrate and dihydrate types B. articulata Crystal can be used as anatomical markers.

ABSTRACT Galls are structures of vegetal tissue modified by several biological agents, mainly dipterans the Cecidomyiidae family. The galls indicators gall inducers’ presence, because species-specific interaction between inducer and its host plant species. aim this study was to expand geographical distribution cecidomyiids – usually known only type-locality in species Andira Lam. (Fabaceae) dis...

Abstract The Younger Dryas-Holocene transition represents a period of significant thermal change, comparable in magnitude to modern warming, yet colder context and without the effect anthropogenic disturbance. This is useful as reference tackle how biodiversity affected by temperature natural conditions. Here, we addressed change during this southern Baltic coastal lake (Konarzewo Lake, Poland)...

Body-size variability results from a variety of extrinsic and intrinsic factors (environmental biological influences) underpinned by phylogeny. In ostracodes it is assumed that body size predominantly controlled ecological conditions, but investigations have mostly focused on local or regional study areas. this study, we investigate the geographical (length, height, width) Holocene Recent valve...