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Data analysisSpecies inventories were evaluated using Clenchs asymptotic models of species accumulation with the program Species Accumulation, for which the data were previously randomized times with the EstimateS program, version 8.
Browsing Brow All shrubs and trees that dcolocacin rooted within the transect were thoroughly examined for signs of browsing.
Valores del ndice de perturbacin de las variables relativas a la densidad de ganado, las actividades humanas y la degradacin del suelo. The stream below the cave locality is the ‘Abe Sirum’, a tributary of the Dez River, in Lorestan province. Avances en el estudio de los mamferos de Mxico. Para las abreviaturas de las variables ver tabla 1. Entre los parmetros ambientales, el total de slidos en suspensin y la turbidez parecieron ser los ms influyentes en la distribucin temporal de las especies de plancton.
Monitor-Monitor-ing mammal populations in Costa Rican protected areas under different hunting restrictions. The camera circuit was pro-grammed to remain active for 24 hours, and the camera locations were georeferenced with a GPS Garmin Etrex. Groundwater pene-trated through these discontinuities into the tunnel and formed a large pool. Bat and rodent diversity in a fragmented landscape on the Isthmus of Tehu-antepec, Oaxaca, Mexico. According to the Clench model, the species in-ventory is not fully represented, and it is likely that more species are still to be found in the area.
These methods also have some advantages over direct methods as they are easier to implement and independent of the time of day, which is important when target species are nocturnal, cryptic and difficult to capture or recapture because their traces remain for long periods of time Bilenca et al.
Experimental analysis of intermediate disturbance and initial floristic composition: The total values of diversity indexes in both areas of study show that the populations of mediumsized and large mammals respond to anthropogenic factors, which is reflected in a decrease in their diversity.
Entre septiembre de y agosto dese realiz un muestreo de mamferos de talla mediana y grande en el municipio de Juchitn, y comparamos su diversidad en dos zonas con distintos niveles de impacto antropognico definido de acuerdo con las estimaciones de las actividades humanas, la densidad de ganado y la degradacin del hbitat.
Endmica de una nica localidad situada en las montaas Zagros, en Irn occidental. An averaged value of 0. The new locality is at km ecoloccacin a direct line from the type yumana. These models include a finite mixture as an estimate of individual heterogeneity in capture probability. Sistematizacin de imgenes obtenidas por fototrampeo: Spilogale gracilis was recorded only in the disturbed area. Trends in Ecology and Evolution, 10 2: Nmero de registros de especies de mamferos de talla mediana y grande registrados en La Venta, Juchitn.
Human trails density Tran It was measured as Ltra, but recording trails used by people to travel. For the abbreviations of record types, Rec, see table 3.
Among yumana environmental parameters, total suspended solids and turbidity seemed to have the most important influence on the temporal distribution of plankton species.
Ubicacin geogrfica y tipos de vegetacin en el entorno de la zona de estudio en el istmo de Tehuantepec, Oaxaca, Mxico. Home Documents Animal Biodiversity and Conservation issue Deer Specialist Group News.
Tropical Conservation Science, 3 1: In order to measure the contribution of different agents, we re-corded 14 metrics at each site by means of two 50 m long transects at each site table 1. The diversity and abundance of phytoplankton and zooplankton were low throughout the year in the cave with an annual mean of Universitas, Revista de la Facultad de Ciencias, 9: Calibre pdf to mobi settings Twenty points were selected randomly along the transect for its estimation, and the fraction of eroded spots was recorded.
Environmental parameters with their mean, range of variation and statistical difference observed during the study period. Diver-sidad de mamferos de talla grande y media de una selva subcaducifolia del noreste de Oaxaca, Mxico.
Land use Luse In several studies the percent of land cover devoted to agriculture, cultivated or induced pastures, or urban areas is used as a measure of disturbance. Of the 17 species recorded in this study, eight were found in both areas, while nine species were exclusively found in the preserved area.
Research and Management Tech-niques for Wildlife and Habitats: Plankton composition and environmental parameters in the habitat of the Iranian cave barb Iranocypris typhlops in Iran.
Anthropogenic determinants of primate and carnivore local extinc-tions in a fragmented forest landscape of southern Amazonia. Anaximperator, libllula emperador, liblula emperador, Emperor dragonfly Jordi Domnech.
Geographic location and vegetation types around the study area in the Isthmus of Tehuantepec, Oaxaca, Mexico. Disturbance was measured on a scale ofwhere zero is the least disturbance. Evidence of fires Fire Most of these are initiated by people, either to clear an area, promote pasture growth for livestock, or accidentally. These models allow capture probability p eco,ocacin recapture probability c to vary with time or as a behaviour response to traps.
There is a marked dry season from December to May, and a rainy season from June to Animal Biodiversity gumana Conservation To search for traces of medium and large mammals, monthly samples were taken from September to August It is therefore more likely to find tracks of D.
Consequently, ecolocacun recommend the use of complementary methods to record a greater number of species. The plankton assemblage included 13 genera and five species.