Variability in ostracod communities (Crustacea, Ostracoda) in connected and isolated tropical floodplain lakes

Variability of transparent organic particles in Arctic floodplain lakes

The predominant technique for tracking wildfires uses repeat satellite observations to look for and measure the size of burn scars, the charred remains of once-lush terrain. Because it relies on moderateresolution imagery, this approach has a tendency to miss the smaller fires that, though less widely devastating, can still account for a sizeable portion of the total burned area. Small fires ca...

Arthropods: Crustacea – Ostracoda and Amphpoda

Modeling chlorophyll-a and dissolved oxygen concentration in tropical floodplain lakes (Paraná River, Brazil).

The need for prediction is widely recognized in limnology. In this study, data from 25 lakes of the Upper Paraná River floodplain were used to build models to predict chlorophyll-a and dissolved oxygen concentrations. Akaike's information criterion (AIC) was used as a criterion for model selection. Models were validated with independent data obtained in the same lakes in 2001. Predictor variabl...

Cryptic Species in Putative Ancient Asexual Darwinulids (Crustacea, Ostracoda)

BACKGROUND Fully asexually reproducing taxa lack outcrossing. Hence, the classic Biological Species Concept cannot be applied. METHODOLOGY/PRINCIPAL FINDINGS We used DNA sequences from the mitochondrial COI gene and the nuclear ITS2 region to check species boundaries according to the evolutionary genetic (EG) species concept in five morphospecies in the putative ancient asexual ostracod gener...

Effects of fisheries management on fish communities in the floodplain lakes of a Brazilian Amazonian Reserve

We compared fish abundance, diversity and species composition between lakes open (fished) and closed (no-take) to fishing activities in Mamirauá Sustainable Development Reserve in the Central Brazilian Amazon, in order to investigate potential influences of the common-based management. We sampled 1483 fishes from 70 species through gillnet fishing during the low-water season, in seven fished an...