scholarly journals Bird Community Diversity in three Habitat Types in an Ecological Corridor in the Atlantic Forest of Misiones Province, Argentina

2015 ◽  
Vol 8 (4) ◽  
pp. 955-974 ◽  
Author(s):  
Flavia Romina Barzan ◽  
Julián Martín Emanuel Baigorria ◽  
Roberto Fabián Bó
Keyword(s):  
Atlantic Forest ◽  
Bird Community ◽  
Community Diversity ◽  
Habitat Types ◽  
Ecological Corridor ◽  
Misiones Province

Influence of cliffs on bird community diversity

1998 ◽  
Vol 76 (2) ◽  
pp. 278-287 ◽  
Author(s):  
J D Matheson ◽  
D W Larson
Keyword(s):  
Bird Species ◽  
Bird Community ◽  
Community Diversity ◽  
Bird Species Richness ◽  
Narrow Component ◽  
Habitat Features ◽  
Habitat Mosaic ◽  
The North ◽  
Talus Slope ◽  
Additive Influence

Cliffs along the Niagara Escarpment in Ontario, Canada, support a long, narrow presettlement forest that includes three distinct geomorphic and vegetation zones: cliff edge, cliff face, and talus slope. This unique landform provides an opportunity to evaluate differences in bird communities between the escarpment and adjacent forest relative to habitat features. We sampled forest birds 12 times during the summer of 1994 in plots located in plateau forests, on talus slope, at cliff edges, and on cliff faces. Eleven habitat variables considered important to birds were also sampled in the plots. We arranged plots along six randomly spaced transects at a south site and a north site. Both sites had the consistent habitat heterogeneity considered important to birds. Bird species richness and composition responded to this heterogeneity, but differently at each site: plateau deciduous forests always had the lowest richness and the simplest species composition, whereas both cliff edges and talus slopes had a higher diversity of birds. Cliff faces had large numbers of species in the south but smaller numbers in the north. Escarpment zones form a habitat mosaic that supports many species not found in the adjacent forest and is consistent with the effect of habitat edge. The results suggest that cliffs represent a significant additive influence on avian biodiversity, even when the cliff is a very narrow component of the landscape.

scholarly journals First records and range extension of Bristle-spined Porcupine, Chaetomys subspinosus (Olfers, 1818) (Rodentia, Erethizontidae), in Minas Gerais state, Brazil

Check List ◽  
2022 ◽  
Vol 18 (1) ◽  
pp. 11-15
Author(s):  
Flávio Kulaif Ubaid ◽  
Tarcilla Valtuille ◽  
Helbert Sansão ◽  
João Marques Lima ◽  
Adriano Garcia Chiarello ◽  
...  
Keyword(s):  
Atlantic Forest ◽  
New Records ◽  
Minas Gerais ◽  
The State ◽  
Range Extension ◽  
Brazilian Atlantic Forest ◽  
Habitat Types ◽  
Minas Gerais State

We report from three localities four new records of the threatened Brazilian Atlantic Forest endemic Chaetomys subspinosus (Olfers, 1818). These are the first records of this porcupine species from the state of Minas Gerais, and these new data extend the distribution of this species by approximately 220 km to the southwest. As C. subspinosus was observed in areas of transitional vegetation, this species may be found in a much broader spectrum of habitat types than previously thought. We recommend further surveys focusing on documenting this species.

scholarly journals Butterflies (Lepidoptera: Hesperioidea and Papilionoidea) of Porto Mauá, Upper Paraná Atlantic Forest Ecoregion, Rio Grande do Sul State, Brazil

2014 ◽  
Vol 14 (2) ◽  
Author(s):  
Sabrina Campos Thiele ◽  
Oscar Milcharek ◽  
Fábio Luis dos Santos ◽  
Lucas Augusto Kaminski
Keyword(s):  
Atlantic Forest ◽  
Deciduous Forest ◽  
Rio Grande ◽  
Sampling Effort ◽  
Rio Grande Do Sul ◽  
Species Accumulation Curves ◽  
Ecological Corridor ◽  
Butterfly Fauna ◽  
Accumulation Curves ◽  
Upper Paraná Atlantic Forest

This paper presents a list of species of butterflies (Lepidoptera: Hesperioidea and Papilionoidea) sampled in Porto Mauá municipality (27°34’S, 28°40’W), Rio Grande do Sul State, Brazil. Sampling was carried out monthly between March 2008 and March 2009. After 204 net-hours of sampling effort, a total of 1,993 individuals from 253 species were recorded. With a single additional expedition, eight new species were added, reaching a total of 261 species recorded in the region of Porto Mauá. These new reports and the species accumulation curves may indicate a much richer fauna. The distribution of richness among butterfly families is compared with other inventories in seasonal semi-deciduous forest areas in the Atlantic Forest. We also discuss the importance of riparian forests of the Uruguay River as an ecological corridor that enables the maintenance of the butterfly fauna on the southern edge of the Upper Paraná Atlantic Forest Ecoregion.

scholarly journals Pre- and post-experimental manipulation assessments confirm the increase in number of birds due to the addition of nest boxes

PeerJ ◽  
2016 ◽  
Vol 4 ◽  
pp. e1806 ◽  
Author(s):  
Cecilia Cuatianquiz Lima ◽  
Constantino Macías Garcia
Keyword(s):  
Forest Type ◽  
Bird Community ◽  
Experimental Manipulation ◽  
Community Diversity ◽  
Forest Plantations ◽  
Nest Boxes ◽  
Tree Cavities ◽  
Cavity Nesting ◽  
Young Forest ◽  
Large Trees

Secondary cavity nesting (SCN) birds breed in holes that they do not excavate themselves. This is possible where there are large trees whose size and age permit the digging of holes by primary excavators and only rarely happens in forest plantations, where we expected a deficit of both breeding holes and SCN species. We assessed whether the availability of tree cavities influenced the number of SCNs in two temperate forest types, and evaluated the change in number of SCNs after adding nest boxes. First, we counted all cavities within each of our 25-m radius sampling points in mature and young forest plots during 2009. We then added nest boxes at standardised locations during 2010 and 2011 and conducted fortnightly bird counts (January–October 2009–2011). In 2011 we added two extra plots of each forest type, where we also conducted bird counts. Prior to adding nest boxes, counts revealed more SCNs in mature than in young forest. Following the addition of nest boxes, the number of SCNs increased significantly in the points with nest boxes in both types of forest. Counts in 2011 confirmed the increase in number of birds due to the addition of nest boxes. Given the likely benefits associated with a richer bird community we propose that, as is routinely done in some countries, forest management programs preserve old tree stumps and add nest boxes to forest plantations in order to increase bird numbers and bird community diversity.

Bird Community Diversity of Nansha Mangrove Wetland in Guangzhou,China(2005～2010)

2012 ◽  
Vol 18 (1) ◽  
pp. 30
Author(s):  
Hong CHANG ◽  
Baowen LIAO ◽  
Juan SU ◽  
Guoping ZHANG ◽  
Wei GUAN
Keyword(s):  
Bird Community ◽  
Community Diversity ◽  
Mangrove Wetland

scholarly journals A new species of Physalaemus (Anura, Leptodactylidae) from the Atlantic Forest of Misiones, northeastern Argentina

Zootaxa ◽  
2018 ◽  
Vol 4387 (3) ◽  
pp. 580
Author(s):  
DARIO E. CARDOZO ◽  
MARTIN O. PEREYRA
Keyword(s):  
New Species ◽  
Atlantic Forest ◽  
Phylogenetic Position ◽  
Advertisement Call ◽  
Large Size ◽  
Distribution Ranges ◽  
Misiones Province ◽  
Hands And Feet ◽  
Inguinal Glands ◽  
A New Species

A new species of Physalaemus from Misiones province, Argentina, in the Atlantic forest domain is described. The new species is a member of the P. gracilis group, based on its phylogenetic position and the occurrence of a putative morphological synapomorphy (occurrence of an unpigmented median stripe on throat, chest, and/or abdomen). Physalaemus sp. nov. is characterized by a long advertisement call composed of non-pulsed notes with slightly descendant modulation, large size (mean SVL = 32.0 mm males, 34.0 mm females), slender body aspect, head longer than wide, supratympanic fold developed, an unpigmented median stripe on venter, medium sized inguinal glands, tarsal tubercle present, and supernumerary tubercles on hands and feet, which are character states that combined distinguish the new species from all the members of the genus. In this study, we provide its formal description based on external morphology, advertisement call, and 16S genetic distance. In addition, the distribution ranges for the new species and P. gracilis are revisited, the advertisement call of P. gracilis is redescribed, and a discussion about the available names which could be applicable to the new species is provided. 

Sign in / Sign up

Export Citation Format

Share Document