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Registros recuperados: 7
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Ampliação da distribuição de quatro espécies de morcegos (Mammalia, Chiroptera) no Rio Grande do Sul, Brasil Biota Neotropica
Weber,Marcelo de Moraes; Arruda,Jeferson Luis Steindorff de; Cáceres,Nilton Carlos.
Este estudo tem por objetivo registrar a ocorrência de quatro espécies de morcegos na região central do Estado do Rio Grande do Sul, sul do Brasil: Histiotus montanus, Pygoderma bilabiatum, Nyctinomops laticaudatus e Myotis ruber. Os dados foram obtidos a partir da coleção científica da Universidade Federal de Santa Maria (UFSM) e representam ampliações de distribuição para essas espécies no Estado. São fornecidas informações sobre o habitat onde as espécies foram coletadas, sendo que alguns desses são novos para essas espécies. Pode-se considerar que algumas das espécies enfocadas são raras no Rio Grande do Sul, ao passo que outras deveriam ter o seu grau de ameaça reconsiderado.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Distribuição; Histiotus montanus; Myotis ruber; Nyctinomops laticaudatus; Pygoderma bilabiatum.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032007000200032
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First record of the invasive alien species Axis axis (Erxleben, 1777) (Artiodactyla: Cervidae) in Brazil Biota Neotropica
Sponchiado,Jonas; Melo,Geruza Leal; Cáceres,Nilton Carlos.
The exotic alien species Axis axis was introduced in the Americas at the beginning of last century and since then has established itself, expanding its distribution. This is the first record of this species in Brazil. In the extreme south of the country, an individual of A. axis was recorded with a camera trap in the Espinilho State Park. The area is close to the border of Uruguay and Argentina, countries where the species is established and from where this individual presumably originated. The Pampas biome is strongly disturbed by human activity in Brazil and since many native mammal species such as the Pampas deer Ozotoceros bezoarticus are threatened regionally. It is alarming that exotic populations can potentially rapidly expand their ranges in the...
Tipo: Info:eu-repo/semantics/report Palavras-chave: Pampas biome; Introduction; Exotic species; Interference competition; Ozotoceros bezoarticus.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032011000300032
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Fruit removal of a wild tomato, Solanum granulosoleprosum Dunal (Solanaceae), by birds, bats and non-flying mammals in an urban Brazilian environment Zoologia
Cáceres,Nilton Carlos; Moura,Maurício Osvaldo.
A study of removal of fruits of the wild tomato, Solanum granulosoleprosum Dunal (N = 5 plants), by vertebrates was carried out in an urban environment of southern Brazil from January to May 1997 and February 1998. To verify diurnal and nocturnal removals, fruits were counted in several fruit bunches, being classified by size and color. Diurnal observations were made on plants to verify bird removal. A mist net was placed among the plants from the evening to 23:00 h to verify bat consumption. Live traps baited with S. granulosoleprosum fruits were placed on the ground among plants to verify terrestrial removers. On average it was found two ripe fruits available per bunch/day, but unripe, small, fruits were dominant (70%). Nocturnal mammals and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aves; Food partitioning; Fructification pattern; Frugivory; Mammalia; Seed dispersal.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752003000300025
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Germination in seed species ingested by opossums: implications for seed dispersal and forest conservation BABT
Cáceres,Nilton Carlos; Monteiro-Filho,Emygdio Leite de Araújo.
Seed germination in plant species consumed by opossums, genus Didelphis, was investigated in southern Brazil, in order to improve knowledge of the strategies of zoochorous plants in the Neotropics. Seeds were obtained from opossum feces. Thirteen of the most frequent species in the diet of local opossums were tested for germination rates and germination responses under different qualities (red/far red ratio) and different intensities of light. Most seeds from feces germinated similarly to the control groups, except for seeds of Rubus rosifolius, which appeared to depend on gut passage. Other experiments revealed that most seeds in the opossums' diet were of pioneer species, with most germination occurring during favorable humid conditions in the rainy...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Seed germination; Light quality; Dormancy; Marsupials.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000700002
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Novos registros de moscas ectoparasitas (Diptera, Streblidae e Nycteribiidae) de morcegos (Mammalia, Chiroptera) em áreas de transição cerrado-floresta estacional no Mato Grosso do Sul, Brasil Biota Neotropica
Graciolli,Gustavo; Cáceres,Nilton Carlos; Bornschein,Marcos Ricardo.
As primeiras informações sobre moscas ectoparasitas de morcegos e seus hospedeiros no estado do Mato Grosso do Sul são apresentadas. Os indivíduos de morcegos e de dípteros ectoparasitos foram coletados em área transicionais de cerrado e floresta estacional semidecídua, e também em uma floresta decídua. Foram encontradas sete espécies de Streblidae e uma de Basilia Miranda-Ribeiro, 1903 (Nycteribiidae). Todos os registros são inéditos para o estado do Mato Grosso do Sul e Basilia bequaerti Guimarães & D´Andretta, 1956 é registrada pela primeira vez no Brasil.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Moscas de morcegos; Ectoparasito; Phyllostomidae; Vespertilionidae.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032006000200028
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Serosurvey of Rickettsia spp. in small mammals from Mato Grosso do Sul state, Brazil Ciência Rural
Binder,Lina de Campos; Krawczak,Felipe da Silva; Sponchiado,Jonas; Melo,Geruza Leal; Moraes-Filho,Jonas; Bastos,Fernanda Aparecida Nieri; Cáceres,Nilton Carlos; Labruna,Marcelo Bahia.
ABSTRACT: This study aimed to evaluate exposure of wild small mammals to spotted fever group (SFG) rickettsiae in Mato Grosso do Sul State, central-western Brazil. Serum samples of 68 small mammals were analyzed by indirect immunofluorescence assay (IFA) against six Rickettsia species from Brazil. Overall, 37.5% (9/24) marsupials and 6.8% (3/44) small rodents were seroreactive to at least one of the Rickettsia species, with end point titres ranging from 64 to 512. These results suggested that wild small mammals were infected by SFG rickettsiae, and could participate in the ecology of rickettsiae in Mato Grosso do Sul, Brazil.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Marsupial; Mato Grosso do Sul; Rodent Brazilian spotted fever; IFA.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000100453
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Use of the space by the opossum Didelphis aurita Wied-Newied (Mammalia, Marsupialia) in a mixed forest fragment of southern Brazil Zoologia
Cáceres,Nilton Carlos.
Use of the space by the opossum Didelphis aurita Wied-Newied, 1826 (Mammalia, Marsupialia) in a mixed forest fragment of southern Brazil. The space use of the marsupial Didelphis aurita was studied in a forest fragment of southern Brazil from February 1995 to January 1996. The method used was the 'distribution utilization' in which each trap was set in 38 x 38 m quadrats. Captures of each marked individual in each point give information on its habitat use. Food availability was searched and compared to the habitat utilization and to the food consumption of opossums. Distribution patterns of captures (aggregated to random) and spatial overlap between individuals were searched. Results showed aggregated distributions of individuals, particularly females, in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Food availability; Habitat fragmentation; Home range; Individual interaction; Territorial behaviour.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752003000200023
Registros recuperados: 7
Primeira ... 1 ... Última
 

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