Buscar
Mostrando ítems 12041-12050 de 19988
Environmental assessment in tropical streams by using abundance-biomass curves and W index in fish assemblages
(Fundação Zoobotânica do Rio Grande do Sul, 2018-09-17)
We investigated the fish fauna response to different environmental conditions of urban (three) and rural (seven) streams through biomass/abundance curves and W index of environmental stress. Negative values of W indicate ...
Relações entre fluxos de água subterrânea e superficial em bacia hidrográfica caracterizada por cobertura florestal amazônica.
(Instituto Nacional de Pesquisas da Amazônia, 1986)
The investigation was carried out from May 1981 to december 1983 in a small hydrografic basin (area ca. 1,3 km2) drained by the stream Βarrο Branco, situated in INPA's forest Reserve Adolfο Ducke (Highway AM 010, km 28). ...
Erythema Multiforme and its Clinicopathological Features in a Horse in BrazilEritema multiforme e suas características clínico-patológicas em um equino no Brasil
(2021-01-01)
Background: Erythema multiforme (EM) is an immune-mediated skin disease which may manifest as cutaneous or mucocutaneous lesions. It is uncommon in horses. EM lesions have a symmetrical bilateral distribution; they are ...
Geology, geochemistry and mineral chemistry of campina do veado and santa blandina rapakivi granite stocks, southwest of sÃo paulo stateGeologia, geoquimica e quimica mineral dos stocks graníticos rapakivi campina do veado e santa blandina, sudoeste do estado de são paulo
(2021-08-06)
The Campina do Veado and Santa Blandina granitic stocks are located in the southwest region of São Paulo state, in the municipality of Nova Campina, intrusive in the Itaiacoca Group's metavolcanosedimentary sequence rocks. ...
Evaluation of urban public ground anthropogenic modification in the municipality of São Carlos-SPAvaliação da transformação antropogênica de terreno público urbano no município de São Carlos-SP
(2021-03-01)
Alteration in the natural conditions of a land, due to intensive human action, generates several types of impacts to the environment. In general, these impacts may lead to the formation of anthropogenic deposits, features ...
Paleolimnological evidence of environmental changes in seven subtropical reservoirs based on metals, nutrients, and sedimentation rates
(2021-11-01)
Paleolimnological research can shed light on a broad range of environmental concerns; however, such studies are scarce in reservoirs. To address this lack of knowledge, a paleolimnological investigation was conducted to ...
Application of an improved vegetation index based on the visible spectrum in the diagnosis of degraded pastures: Implications for development
(2021-10-01)
Inadequate pasture management causes land degradation through reduction of grass, increased presence of invasive plants or pests, compaction, erosion, and nutrient deficiency. The recognition of pasture degradation is ...
Comparing the potential reproductive phenology between restored areas and native tropical forest fragments in Southeastern Brazil
(2022-03-01)
Plant phenology is rarely considered when selecting species used in restoration actions. However, considering the potential flowering and fruiting phenologies of species is a key point to: (1) evaluate the capacity of ...
Valle del Cauca: visión ecológica
El comité ecológico de la Cámara de comercio de Cali pretende con este documento dar una visión rápida de nuestro valioso ecosistema, que son nuestra herencia biológica, pero fundamentalmente de su importantìsima función ...
La hacienda pública en busca de la transparencia documental sobre precios de transferencia a la luz de la acción 13 del proyecto Beps análisis comparativo España-Colombia
(2016-02-02)
Este documento pretende analizar las orientaciones que la OCDE promueve a través de la acción 13 del proyecto BEPS (Plan de acción contra la erosión de la base imponible y el traslado de beneficios), que propone reexaminar ...