Results 31 to 40 of about 1,651,917 (208)

Delaware River: State of the Basin Report, 2008

open access: yes, 2008
The Delaware River Basin Commission State of the Basin Report 2008 is designed to serve as a benchmark of current conditions and a point of reference for gaging progress toward management goals.

core   +1 more source

MICRONUTRIENT CONTENT OF TROPICAL SOILS OF THE UPPER ORINOCO RIVER BASIN

open access: yesThe Journal of Agriculture of the University of Puerto Rico, 1980
MICRONUTRIENT CONTENT OF TROPICAL SOILS OF THE UPPER ORINOCO RIVER ...
null J. Andrew Zusevics   +1 more
openaire   +2 more sources

Nuevos datos sobre la presencia de caimán llanero (Crocodylus intermedius) y notas sobre su comportamiento en el río Vichada, Orinoquia (Colombia)

open access: yesBiota Colombiana, 2011
During 2010 and 2011 diurnal and nocturnal surveys were conducted in the drainages of the Meta and Vichada rivers (Colombian Orinoco Basin) to update the information about the conservation status of the Orinoco crocodile’s populations in the wild ...
Antonio Castro   +4 more
doaj   +1 more source

Hydrologic Conditions in the Delaware River Basin, Annual Report 2003

open access: yes, 2004
This is an Annual Report of the hydrological conditions in the Delaware River Basin for 2003. It includes an update on the lingering effects of the 2001-2002 drought, as well as summaries of preciptation, streamflow, reservoir storage, ground water, and ...

core   +1 more source

Taxonomic review of Colombian Parodon (Characiformes: Parodontidae), with descriptions of three new species

open access: yesNeotropical Ichthyology
We review species of Parodon Valenciennes, 1850 from the Magdalena, Cauca, Orinoco, Amazonas, Atrato and Caribbean-Guajira River basins of Colombia using meristic and morphological characters.
Alejandro Londoño-Burbano   +2 more
doaj   +1 more source

Hydrologic Conditions in the Delaware River Basin, Annual Report 2005

open access: yes, 2006
This is an Annual Report of the hydrological conditions in the Delaware River Basin for 2005. It includes the hydrologic highlights of 2005 ("A Year of Flood and Drought"), as well as summaries of preciptation, streamflow, reservoir storage, ground water,

core   +1 more source

New species records in Acanthagrion, Nehalennia, and Perilestes (Odonata: Zygoptera) for Colombia

open access: yesBiota Colombiana, 2022
We record for the first time Acanthagrion jessei, Nehalennia minuta, and Perilestes solutus in Colombia, based on males and females taken at the campus Barcelona at the Universidad de Los Llanos, located in the foothills of the Colombian Eastern Andes in
Karen Lineke Alvarez Alvarez   +2 more
doaj   +1 more source

Delaware River Basin Commission Annual Report 2004-2005

open access: yes, 2006
The Delaware River Basin Commission (DRBC) is an interstate/federal agency that manages the water resources within the 13,539-square-mile basin covering portions of Delaware, New Jersey, New York, and Pennsylvania.

core   +1 more source

Catfishes of the genus Auchenipterichthys (Osteichthyes: Siluriformes: Auchenipteridae): a revisionary study

open access: yesNeotropical Ichthyology
The Neotropical auchenipterid catfish genus Auchenipterichthys is reviewed and found to include four species. Auchenipterichthys thoracatus, formerly considered to be widely distributed throughout the Amazon River basin, is found to be restricted to the ...
Carl J. Ferraris Jr.   +2 more
doaj   +1 more source

Surface Freshwater Storage Variations in the Orinoco Floodplains Using Multi-Satellite Observations

open access: yesRemote Sensing, 2014
Variations in surface water extent and storage are poorly characterized from regional to global scales. In this study, a multi-satellite approach is proposed to estimate the water stored in the floodplains of the Orinoco Basin at a monthly time-scale ...
Frédéric Frappart   +8 more
doaj   +1 more source

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