scholarly journals Domestic dogs in a fragmented landscape in the Brazilian Atlantic Forest: abundance, habitat use and caring by owners

2010 ◽  
Vol 70 (4) ◽  
pp. 987-994 ◽  
Author(s):  
PC. Torres ◽  
PI. Prado
Keyword(s):  
Atlantic Forest ◽  
Domestic Dogs ◽  
Domestic Dog ◽  
Fragmented Landscape ◽  
Brazilian Atlantic Forest ◽  
Forest Patches ◽  
Forest Patch ◽  
Questionnaire Surveys ◽  
Responsible Ownership ◽  
Patch Edge

This study aimed at estimating the population size and attitudes of residents towards caring for domestic dogs, through questionnaire surveys, as well as the frequency of these animals in different habitats (anthropic and forest patch), using scent stations. The study was conducted in a severely fragmented area of the Brazilian Atlantic Forest. A large number of unrestricted dogs was recorded, averaging 6.2 ind/km². These dogs have owners and are regularly fed. Dog records decreased from the anthropogenic matrix to the forest patch edge, which suggests that dogs act as an edge effect on forest patches. Encounters between domestic dog and wild animals can still be frequent in severely fragmented landscapes, mainly at the forest edges. However the fact that most dogs have an owner and are more frequent in the anthropic habitat suggests that their putative effects are less severe than expected for a carnivore of such abundance, but the reinforcement of responsible ownership is needed to further ameliorate such effects.

Effect of habitat loss and fragmentation on fruit-feeding butterflies in the Brazilian Atlantic Forest

2019 ◽  
Vol 97 (7) ◽  
pp. 588-596 ◽  
Author(s):  
D.H.A. Melo ◽  
B.K.C. Filgueiras ◽  
C.A. Iserhard ◽  
L. Iannuzzi ◽  
A.V.L. Freitas ◽  
...  
Keyword(s):  
Species Composition ◽  
Atlantic Forest ◽  
Habitat Loss ◽  
Habitat Type ◽  
Forest Edge ◽  
Fragmented Landscape ◽  
Brazilian Atlantic Forest ◽  
Habitat Loss And Fragmentation ◽  
Threatened Taxa ◽  
Butterfly Assemblages

Habitat loss and fragmentation have drastically altered the availability and quality of tropical forest habitats, but information on how such changes influence local biodiversity is still insufficient. Here, we examine the effects of both patch and landscape metrics on fruit-feeding butterfly assemblages in a fragmented landscape of the Brazilian Atlantic Forest. Our study was carried out in three habitat types: eight fragments (ranging from 8 to 126 ha), eight areas of forest edge (50 m from forest border), and eight areas of forest interior (>200 m from forest border) of the largest remnant (3500 ha) of the Atlantic Forest of northeast Brazil. Our results demonstrated that fragment area is negatively correlated with observed and estimated richness and abundance of butterflies, whereas habitat type is correlated with estimated richness and abundance of butterflies. Species composition responded to habitat type, fragment area, and distance between sample units. These findings illustrated (i) fruit-feeding butterfly sensitivity to habitat loss and fragmentation, (ii) that species composition and abundance are adequate parameters to access the responses of fruit-feeding butterflies to habitat loss and fragmentation, and (iii) the relevance of a heterogeneous and connected landscape for conservation of butterflies, where small fragments are important for generalist or open-habitat specialists and large remnants are key for disturbance-sensitive and threatened taxa.

scholarly journals Blood parasites in Brazilian Atlantic Forest birds: effects of fragment size and habitat dependency

2010 ◽  
Vol 20 (4) ◽  
pp. 432-439 ◽  
Author(s):  
FABIANE SEBAIO ◽  
ÉRIKA MARTINS BRAGA ◽  
FELIPE BRANQUINHO ◽  
LILIAN TONELLI MANICA ◽  
MIGUEL ÂNGELO MARINI
Keyword(s):  
Atlantic Forest ◽  
Fragment Size ◽  
Blood Parasites ◽  
Forest Fragments ◽  
Brazilian Atlantic Forest ◽  
Forest Patches ◽  
Parasite Richness ◽  
Blood Smears ◽  
Avian Blood ◽  
Avian Blood Parasites

SummaryDeforestation, fragmentation and habitat disturbance may alter the relationship between pathogens and hosts. We tested, apparently for the first time, whether habitat fragmentation and degree of dependence on forests affect the prevalence of avian blood parasites. We estimated the prevalence of Plasmodium, Haemoproteus and Trypanosoma through the inspection of 925 blood smears from 109 species captured in six pairs of small (< 30 ha) and large (> 1,000 ha) Brazilian Atlantic Forest fragments. Prevalence of the three types of parasites did not differ between small and large forest patches. Forest-independent birds were usually more infected with Plasmodium and Haemoproteus than other birds, but forest-dependent birds were more infected with Trypanosoma. Parasite richness on birds was not affected by patch size.

scholarly journals Species richness and relative abundance of birds in natural and anthropogenic fragments of Brazilian Atlantic forest

2004 ◽  
Vol 76 (2) ◽  
pp. 429-434 ◽  
Author(s):  
Luiz dos Anjos
Keyword(s):  
Species Richness ◽  
Atlantic Forest ◽  
Relative Abundance ◽  
Feeding Habits ◽  
Species Number ◽  
Fragmented Landscape ◽  
Forest Fragments ◽  
Forest Fragment ◽  
Forest Patches ◽  
Forest Remnants

Bird communities were studied in two types of fragmented habitat of Atlantic forest in the State of Paraná, southern Brazil; one consisted of forest fragments that were created as a result of human activities (forest remnants), the other consisted of a set of naturally occurring forest fragments (forest patches). Using quantitative data obtained by the point counts method in 3 forest patches and 3 forest remnants during one year, species richness and relative abundance were compared in those habitats, considering species groups according to their general feeding habits. Insectivores, omnivores, and frugivores presented similar general tendencies in both habitats (decrease of species number with decreasing size and increasing isolation of forest fragment). However, these tendencies were different, when considering the relative abundance data: the trunk insectivores presented the highest value in the smallest patch while the lowest relative abundance was in the smallest remnant. In the naturally fragmented landscape, time permitted that the loss of some species of trunk insectivores be compensated for the increase in abundance of other species. In contrast, the remnants essentially represented newly formed islands that are not yet at equilibrium and where future species losses would make them similar to the patches.

The centipede genus Otostigmus Porat in Brazil: Description of three new species from the Atlantic Forest; a summary and an identification key to the Brazilian species of this genus (Chilopoda, Scolopendromorpha, Scolopendridae, Otostigminae)

Zootaxa ◽  
2012 ◽  
Vol 3280 (1) ◽  
pp. 1 ◽  
Author(s):  
AMAZONAS CHAGAS-JÚNIOR
Keyword(s):  
New Species ◽  
Atlantic Forest ◽  
The State ◽  
Junior Synonym ◽  
Identification Key ◽  
Nominal Species ◽  
Brazilian Atlantic Forest ◽  
Three New Species ◽  
First Time ◽  
New Distribution

Three new species of Otostigmus Porat, 1876 from Brazilian Atlantic Forest are described. Otostigmus beckeri sp. n. andO. lanceolatus sp. n. are described from the state of Bahia and O. giupponii sp. n. from the state of Espírito Santo. InBrazil, the otostigmine scolopendrid genus Otostigmus comprises 22 species. A summary of Brazilian Otostigmus speciesis presented with new distribution records, taxonomic remarks when appropriate and an identification key. Otostigmus sul-catus Meinert, 1886 is recorded for the first time from Brazil; the Andean Otostigmus silvestrii Kraepelin 1903, previouslyrecorded from Brazil, is here considered not to be present in this country. Eight nominal species are regarded here as newsynonyms. Five of them—Otostigmus pradoi Bücherl, 1939, O. longistigma Bücherl, 1939, O. longipes Bücherl, 1939,O. langei Bücherl, 1946 and O. dentifusus Bücherl, 1946—are based on females of O. tibialis Brölemann, 1902. O. latipesBücherl, 1954 is conspecific with and is considered a junior synonym of O. sulcatus Meinert, 1886; O. limbatus diminutusBücherl, 1946 is a junior synonym of O. limbatus Meinert, 1886 and O. fossulatus Attems, 1928 is a junior synonym of O. goeldii Brölemann, 1898. A lectotype is designated for O. goeldii.

scholarly journals Hide-and-Seek with Tiny Neotenic Beetles in One of the Hottest Biodiversity Hotspots: Towards an Understanding of the Real Diversity of Jurasaidae (Coleoptera: Elateroidea) in the Brazilian Atlantic Forest

Biology ◽  
2021 ◽  
Vol 10 (5) ◽  
pp. 420
Author(s):  
Gabriel Biffi ◽  
Simone Policena Rosa ◽  
Robin Kundrata
Keyword(s):  
Atlantic Forest ◽  
Field Research ◽  
Transitional Zone ◽  
Biodiversity Hotspot ◽  
Biodiversity Hotspots ◽  
Brazilian Atlantic Forest ◽  
Life Stages ◽  
Adult Males ◽  
Undescribed Species ◽  
First Time

Jurasaidae are a family of neotenic elateroid beetles which was described recently from the Brazilian Atlantic Forest biodiversity hotspot based on three species in two genera. All life stages live in the soil, including the larviform females, and only adult males are able to fly. Here, we report the discovery of two new species, Jurasai miraculum sp. nov. and J. vanini sp. nov., and a new, morphologically remarkable population of J. digitusdei Rosa et al., 2020. Our discovery sheds further light on the diversity and biogeography of the group. Most species of Jurasaidae are known from the rainforest remnants of the Atlantic Forest, but here for the first time we report a jurasaid species from the relatively drier Atlantic Forest/Caatinga transitional zone. Considering our recent findings, minute body size and cryptic lifestyle of all jurasaids, together with potentially high numbers of yet undescribed species of this family from the Atlantic Forest and possibly also other surrounding ecoregions, we call for both field research in potentially suitable localities as well as for a detailed investigation of a massive amount of already collected but still unprocessed materials deposited in a number of Brazilian institutes, laboratories and collections.

Sharing sound: Avian acoustic niches in the Brazilian Atlantic Forest

Biotropica ◽  
2021 ◽  
Author(s):  
Tristan Kleyn ◽  
Mariane Cruz Kaizer ◽  
Luiza F. Passos
Keyword(s):  
Atlantic Forest ◽  
Brazilian Atlantic Forest

Vegetation trends in a protected area of the Brazilian Atlantic forest

2021 ◽  
Vol 162 ◽  
pp. 106180
Author(s):  
Rosane Gomes da Silva ◽  
Alexandre Rosa dos Santos ◽  
João Batista Esteves Pelúzio ◽  
Nilton César Fiedler ◽  
Ronie Silva Juvanhol ◽  
...  
Keyword(s):  
Atlantic Forest ◽  
Protected Area ◽  
Brazilian Atlantic Forest

scholarly journals Combining regional to local restoration goals in the Brazilian Atlantic forest

2021 ◽  
Vol 21 (3) ◽  
Author(s):  
Cassia M.G. Lemos ◽  
Pedro R. Andrade ◽  
Ricardo R. Rodrigues ◽  
Leticia Hissa ◽  
Ana P. D. Aguiar
Keyword(s):  
Cost Effectiveness ◽  
Atlantic Forest ◽  
Natural Regeneration ◽  
Regional Level ◽  
Target Area ◽  
Brazilian Atlantic Forest ◽  
Regeneration Potential ◽  
Allocation Model ◽  
Alternative Scenarios ◽  
The Cost

AbstractTo achieve regional and international large-scale restoration goals with minimum costs, several restoration commitments rely on natural regeneration, a passive and inexpensive strategy. However, natural regeneration potential may vary within the landscape, mainly due to its historical context. In this work, we use spatially explicit restoration scenarios to explore how and where, within a given region, multiple restoration commitments could be combined to achieve cost-effectiveness outcomes. Our goal is to facilitate the elaboration of forest restoration plans at the regional level, taking into consideration the costs for active and passive restoration methods. The approach includes (1) a statistical analysis to estimate the natural regeneration potential for a given area based on alternative sets of biophysical, land cover, and/or socioeconomic factors and (2) the use of a land change allocation model to explore the cost-effectiveness of combining multiple restoration commitments in a given area through alternative scenarios. We test our approach in a strategic region in the Brazilian Atlantic Forest Biome, the Paraiba Valley in São Paulo State. Using the available data for 2011, calibrated for 2015, we build alternative scenarios for allocating natural regeneration until 2025. Our models indicate that the natural regeneration potential of the region is actually very low, and the cost-effectiveness outcomes are similar for all scenarios. We believe our approach can be used to support the regional-level decision-making about the implementation of multiple commitments aiming at the same target area. It can also be combined with other approaches for more refined analysis (e.g., optimization models).

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