The natural variation of environmental factors in freshwater basins determines their biodiversity. Among them, calcium is a key physiological compound for freshwater invertebrates. It is required for shell formation, muscle contraction, it mediates gene expression and allows counteracting acidosis...

Declining calcium concentrations and invasion by Bythotrephes longimanus are two important, often co-occurring, stressors affecting Canadian Shield lakes. However, there has been no experimental examination of how they might jointly influence zooplankton communities. We conducted a 6-week field...

We investigated the land-snail fauna in gallery forest sites along a 30-km long section of the Muvumba River in northeastern Rwanda. A total of 12,419 individuals assigned to 34 land-snail species were collected in 24 plots. Though the number of species is small compared with protected rainforests...

We investigated the effects of environmental conditions, cultivation history and habitat area on the spatial distributions of alien plants in Chagusaba (semi-natural grasslands which are maintained for hay harvesting) in west-central Shizuoka, Japan. The number of alien plant species and...

Tithonia diversifolia is an invasive weed commonly found in tropical ecosystems. In this work, we investigate the influence of different abiotic environmental factors on the plant's metabolite profile by multivariate statistical analyses of spectral data deduced by UHPLC-DAD-ESI-HRMS and NMR...

Due to the shortage of information on both mineral fertilizer and organic substrate in Khaya senegalensis, it was proposed in the current study to verify the potential of the use or not of addition of nutrient solution in the production of high quality seedlings of K. senegalensis as well as to...

In the "Nicolae Titulescu" Park of Brașov city 24 angiosperms trees species of which 13 exotic species have been inventoried. Brasov city is under temperate-continental climate influenced by the topoclimate specific for regions located at mountain foots and intra-mountain valleys. The vegetation...

Undaria pinnatifida and Sargassum muticum are the most abundant invasive edible algae species that have colonized the hard substrate around Venice. The contents of Ca, Mg, Fe, Zn, Cu, Mn, Sr, Pb, Cr, Al, Co, Cd, Ni, As, Hg and Ba, were investigated by ICP-MS in seaweed samples collected (Spring...

Invasive plants are recognized for their impressive abilities to withstand adverse environmental conditions however, all invaders do not express the similar abilities. Therefore, survival, growth, nutrient uptake and fecundity of two co-occurring, invasive Physalis species were tested under water...

This study was carried out in order to determine the chemical composition and accumulation potential of invasive alien knotweed Reynoutria × bohemica from five habitats exposed to different levels of anthropogenic pollution. To estimate the potential for trace element accumulation, accumulation and ...