I. INTRODUCTION We humans tend to worry first about our own happiness, then about our families, then about our communities. In times of great stress, such as war or natural disaster, we may focus temporarily on our country but we rarely think about Earth as a whole or the human species as a whole. This narrow perspective, perhaps best exemplified by the American consumer, has led to the environ...

Department of Environmental Resources and Forest Engineering, State University of New York, College of Environmental Science and Forestry, Syracuse, New York, USA; Department of Geography, University of South Carolina, Columbia, South Carolina, USA; USDA Forest Service, Southern Research Station, Aiken, South Carolina, USA; Savannah River National Laboratory, Savannah River Site, US Department ...

Hydrological shifts and tree growth responses to river modification along the Apalachicola River, Florida Matthew C. Smith, J. Anthony Stallins, Justin T. Maxwell & Chris Van Dyke a Department of Geography, Florida State University, Tallahassee, FL, USA b Department of Geography, University of Kentucky, Lexington, KY, USA c Department of Geography, Indiana University, Bloomington, IN 47405, USA...

The female and male of Dasybasis (Agelanius) cortesi, new species, is described and illustrated from specimens collected in the National Reserve of Río Clarillo, Cordillera Province, Central Chile. Its relationships to other Dasybasis species are discussed.

Background & Aims of the Study: The use of qualitative indicators is one of the ways of water quality of river water. The purpose of this study is Khorramrood River of Khorramabad of water quality using water quality index (NSFWQI) and GIS that is a Geographic Information System . Materials & Methods: In this cross-sectional study, qualitative parameters needed to calculate NSFW...

Cytogenetic analyses were carried out in a populational sample of Iheringichthys labrosus from the Guaraúna River (Upper Tibagi River; Paraná State, Brazil) in order to provide a karyotypic comparison with another previously studied population from the Lower Tibagi River, characterized by the presence of 32m + 8sm + 6st + 10a (2n = 56, FN = 102) and occurrence of supernumerary chromosomes (80% ...