Affiliation:
1. Universidade do Estado do Rio de Janeiro, Brazil
2. Universidade do Estado do Rio de Janeiro, Brazil; Universidade Federal do Rio de Janeiro
3. Universidade Federal do Rio de Janeiro, Brazil
Abstract
We carried out a study on the anurofaunal community from an Atlantic Forest fragment (Monte Verde mountains) and the surrounding area in Cambuci municipality, Rio de Janeiro State, Brazil, which constitutes one of the largest fragments remaining in the largely deforested landscape of the northern portion of the State. We combined three sampling methods: plot sampling, transects and pit-fall traps. We recorded twenty species of amphibians, of which only eleven were found within the forest fragment (and five of these also occurred in the surrounding matrix). Two of the species recorded in the present study (Crossodactylus sp. and Ischnocnema cf. parva) may represent undescribed taxa. Our records expand the distribution range of one species (Scinax trapicheiroi) to the north, and fill a geographic distribution gap for another one (Ischnocnema oea). The estimated overall density of frogs living in the leaf litter of the fragment (based on results of plot sampling) was 3.1 individuals/100 m², with Haddadus binotatus being the most abundant species (2.4 individuals/100 m²). Comparisons of our data with those of other studies suggest that anuran communities in forest fragments ca. 1,000 ha or smaller may be severely limited in their richness, and often include a large proportion of species tolerant to open areas, such as many hylids. Our results show the importance of increasing knowledge about the anurofaunal community of the northern portion of the State of Rio de Janeiro and preserve the forest remnants that still exist in the region.
Subject
General Agricultural and Biological Sciences
Reference42 articles.
1. Anuran temporal occupancy in a temporal pond from the Atlantic rain forest, south-eastern Brazil;ABRUNHOSA PA;Herpetological Journal,2006
2. Global amphibian declines: a problem in applied ecology;ALFORD RA;Annual Review of Ecology and Systematics,1999
3. A plot study of forest floor litter frogs, Central Amazon, Brazil;ALLMON WD;Journal of Tropical Ecology,1991
4. Herpetofauna of an Atlantic rainforest area (Morro São João) in Rio de Janeiro State, Brazil;ALMEIDA-GOMES M;Anais da Academia Brasileira de Ciências,2008
5. Potential distribution and new records of Trinomys species (Rodentia: Echimyidae) in the State of Rio de Janeiro;ATTIAS N;Zoologia,2009
Cited by
21 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献