Results 31 to 40 of about 117,263 (306)

Sustainability of small reservoirs and large scale water availability under current conditions and climate change [PDF]

open access: yes, 2011
Semi-arid river basins often rely on reservoirs for water supply. Small reservoirs may impact on large-scale water availability both by enhancing availability in a distributed sense and by subtracting water for large downstream user communities, e.g ...
Carlos de Araújo, José   +3 more
core   +5 more sources

Mucorales from the semiarid of Pernambuco, Brazil [PDF]

open access: yesBrazilian Journal of Microbiology, 2013
Nineteen taxa of Mucorales, belonging to Absidia, Apophysomyces, Cunninghamella, Fennellomyces, Lichtheimia, Mucor, Mycotypha, Rhizopus and Syncephalastrum were isolated from 36 composite soil samples in three semiarid areas in the State of Pernambuco (Triunfo, Cabrobó and Belém de São Francisco), Northeast Brazil, which are characterized by Caatinga ...
Santiago, André Luiz Cabral Monteiro de Azevedo   +2 more
openaire   +4 more sources

Evaluation of vegetative growth of forage palm in the Alagoas Semiarid Region

open access: yesDiversitas Journal, 2021
The forage palm is adapted to regions with a semi-arid climate, constituting an important source of food for herds in the dry season, especially in Northeast Brazil.
Francisca Márcia França Soares   +2 more
doaj   +1 more source

Evaluation of Argentine wild sunflower biotypes for drought stress during reproductive stage [PDF]

open access: yes, 2012
As in several regions where sunflower production has moved to areas with limiting water availability, the search for water-stress tolerant genotypes has been intensified. Helianthus annuus ssp. annuus L.
Cantamutto, Miguel Ángel   +3 more
core   +1 more source

Efficiency, profitability and carbon footprint of different management programs under no-till to control herbicide resistant Papaver rhoeas [PDF]

open access: yes, 2020
The present work examines the effects of different integrated weed management (IWM) programs on multiple herbicide-resistant Papaver rhoeas populations in terms of effectiveness, profitability and carbon footprint.
Recasens i Guinjuan, Jordi   +3 more
core   +1 more source

Evaluation of surfactant nonylphenol polyethoxylated 9.5 as a corrosion inhibitor of SAE1020 steel in saline medium

open access: yesRevista Principia
Due to its relatively low cost and good chemical stability, nonylphenol polyethoxylated with an ethoxylation degree of 9.5 (NPE95) is produced on a large scale and widely used in the industry as an emulsifier, detergent, and solubilizer.
Gecilio Pereira da Silva   +5 more
doaj   +1 more source

Root-associated fungal communities colonizing two dominant semiarid grasses: Hilaria sp. and Stipa sp. [PDF]

open access: yes, 2009
We conducted a preliminary survey of the fungal communities associated with roots of Stipa hymenoides and Hilaria jamesii, two grasses native to the southwestern United States.
Andrea Porras-Alfaro   +4 more
core   +2 more sources

Wildlife preservation in semiarid countries

open access: yesLa Terre et La Vie, Revue d'Histoire naturelle, 1958
Toschi Augusto. Wildlife preservation in semiarid countries. In: La Terre et La Vie, Revue d'Histoire naturelle, tome 12, n°4, 1958. pp. 276-281.
openaire   +3 more sources

Evaluating the African arid corridor hypothesis: A meta‐analysis including the phylogenetic and biogeographical history of Sesamothamnus

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise We examined the African arid corridor (AAC) disjunction pattern of vascular plants between northeastern and southwestern Africa in the context of geological and climatic events since the late Miocene. We developed a phylogenetic and biogeographical framework for the arid‐adapted genus Sesamothamnus (Pedaliaceae), a classic example of ...
John G. Zaborsky   +6 more
wiley   +1 more source

Soil structural degradation and nutrient limitations across land use categories and climatic zones in Southern Africa [PDF]

open access: yes, 2019
Although soil degradation is a major threat to food security and carbon sequestration, our knowledge of the spatial extent of the problem and its drivers is very limited in Southern Africa.
Kihara, Job   +6 more
core   +1 more source

Home - About - Disclaimer - Privacy