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| 3. |  | MARQUES, M. C. M.; PIMENTA, J. A.; COLLI, S. Germinação de Cedrela fissilis Vell. e Parapiptadenia rigida (Benth) Bren. após pré-tratamento em condições hipóxicas e posterior estocagem a seco. Revista do Instituto Florestal, São Paulo, v. 4, pt. 2, p. 620-624, mar. 1992. Edição dos Anais do Congresso Florestal de Essências Nativas, 2., 1992, São Paulo. Edição especial.| Biblioteca(s): Embrapa Florestas. |
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| 7. | | CAVASSANI, A.; MARQUES, M. C. M.; MIKICH, S. B. Regeneração da Floresta Estacional Semidecidual Aluvial e Submontana, Fênix - PR, Brasil. In: EVENTO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA FLORESTAS, 5., 2006, Colombo. Anais. Colombo: Embrapa Florestas, 2006. 1 CD-ROM (Embrapa Florestas. Documentos, 132). EVINCI. Resumo 026.| Biblioteca(s): Embrapa Florestas. |
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| 10. | | CARVALHO, J.; SOUSA, S. G. A.; MARQUES, M. C. M.; RODERJAN, C. V. Diversidade na regeneração da Floresta Ombrófila Mista Aluvial, Rio Barigui, Araucaria, PR. In: SIMPÓSIO NACIONAL SOBRE RECUPERAÇÃO DE ÁREAS DEGRADADAS, 5., 2002, Belo Horizonte. Água e biodiversidade: trabalhos voluntários. Belo Horizonte: SOBRADE, 2002. p. 105-107.| Biblioteca(s): Embrapa Florestas. |
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| 11. | | LIEBSCH, D.; VELAZCO, S. J. E.; MIKICH, S. B.; MARQUES, M. C. M.; GALVÃO, F. Effects of selective logging, fragmentation, and dominance of bamboos on the structure and diversity of Araucaria Forest fragments. Forest Ecology and Management, v. 487, n. 1, 118961, May 2021. 9 p.| Biblioteca(s): Embrapa Florestas. |
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| 14. | | CARDOSO, F. C. G.; SHIMAMOTO, C. Y; BOTOSSO, P. C.; MARQUES, R.; MARQUES, M. C. M. Monitoring tree growth and phenology in restored forests. In: ANNUAL MEETING OF THE ASSOCIATION FOR TROPICAL BIOLOGY AND CONSERVATION, 49., 2012, Bonito. Ecology, evolution and sustainable use of tropical biodiversity. [S.l.]: ATBC, 2012. CD-ROM. Resumo.| Biblioteca(s): Embrapa Florestas. |
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| 16. | | CARVALHO, J.; MARQUES, M. C. M.; RODERJAN, C. V.; BARDDAL, M.; SOUSA, S. G. A. de. Relações entre a distribuição das espécies de diferentes estratos e as características do solo de uma floresta aluvial no Estado do Paraná, Brasil. Acta Botanica Brasilica, São Paulo, v. 23, n. 1, jan./mar. 2009.| Biblioteca(s): Embrapa Amazônia Ocidental. |
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Registro Completo
|
Biblioteca(s): |
Embrapa Florestas. |
|
Data corrente: |
03/10/2008 |
|
Data da última atualização: |
03/10/2008 |
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Autoria: |
HASEGAWA, M.; SUGIURA, S.; ITO, M. T.; YAMAKI, A.; HAMAGUCHI, K.; KISHIMOTO, T.; OKOCHI, I. |
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Título: |
Community structures of soil animals on Chichijima island in Ogasawara islands in relation to the survival of land snails. |
|
Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: INTERNATIONAL COLLOQUIUM ON SOIL ZOOLOGY, 15; INTERNATIONAL COLLOQUIUM ON APTERYGOTA, 12., 2008, Curitiba. Biodiversity, conservation and sustainabele management of soil animal: abstracts. Colombo: Embrapa Florestas. Editors: George Gardner Brown; Klaus Dieter Sautter; Renato Marques; Amarildo Pasini. 1 CD-ROM. |
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Idioma: |
Inglês |
|
Conteúdo: |
Chichijima in Ogasawara (Bonin) Islands is located in the northwestern Pacific Ocean, about
100km south of the mainland of Japan. 95 species of land snails have been recorded from
these islands, and of which more than 90 percent are endemic to the islands (Chiba eta al.
2007). Most of the endemic species, however, have already become extinct or endangered in
Chichijima (Chiba eta al. 2007). Predation pressure by an invasive flatworm (Platyrdemus
manokwari) on the land snails was suggested as one of the cause of the decline of snails
(Ohbayashi et al. 2005, 2007, Sugiura et al. 2006). Soil fauna on Chichijima were investigated
several times (Aoki and Harada 1978 and Ishizawa and Takehara 2001), but the related studies
with decline of snails have not been conducted. The aim of this study was to investigate the
relation of soil fauna with survival of land snails from the comparison of soil fauna on snail surviving
and extinct areas of Chichijima Island.
The research was conducted in June and November of 2005. Ten sites (3 snail surviving sites
and 7 extinct sites) for soil macrofauna and six sites (3 snail surviving sites and 3 extinct sites)
for soil mesofauna were set. Sampling of soil macrofauna was conducted at six quadrates
(each 25 × 25 cm) set at 5 m intervals along a line (25 m) in each site. Litter layer and topsoil (15
cm deep) were collected at each quadrate. Soil macrofauna was immediately picked up from
the soil and litter by hands. Soil mesofauna was extracted from the soil core samples. A 100 ml
soil sample (20 cm2 × 5 cm in depth) including litter layer was taken by a cylindrical core sampler
at each of the ten points set at 5 m intervals along another line (45 m) in each site. Soil mesofauna
was extracted from the samples for three days at 35?? by Tullgren funnels.
Most of soil fauna did not show the decline. However, one undescribed but endemic carabid
species (Badister sp.), which have selective feeding habits on land snails, was not recorded on
snail extinct area. Earthworm was recorded at all study sites, and dominant in soil macrofauna.
All species of the earthworms seemed to be introduced species. The invasive flatworm P.
manokwari has been reported to feed also on the carcasses of earthworms as well as live
snails, therefore P. manokwari is expected to survive on most of the area of Chichijima Island.
Comaparison of this examination with Aoki and Harada (1978) showed that the density of
Isopods decreased. The density and species richness of ants, Collembola and oribatid mites
were not so different between snail survived and exterminated area.
In conclusion, the close relation between soil fauna and land snails has been rarely recognized
except one carabid species, but the present (current) structure of soil animals as reflected in
introduced earthworm, decline of endemic isopods and tramp species of ants indicated the
various impacts on the fauna on Chichijima island. MenosChichijima in Ogasawara (Bonin) Islands is located in the northwestern Pacific Ocean, about
100km south of the mainland of Japan. 95 species of land snails have been recorded from
these islands, and of which more than 90 percent are endemic to the islands (Chiba eta al.
2007). Most of the endemic species, however, have already become extinct or endangered in
Chichijima (Chiba eta al. 2007). Predation pressure by an invasive flatworm (Platyrdemus
manokwari) on the land snails was suggested as one of the cause of the decline of snails
(Ohbayashi et al. 2005, 2007, Sugiura et al. 2006). Soil fauna on Chichijima were investigated
several times (Aoki and Harada 1978 and Ishizawa and Takehara 2001), but the related studies
with decline of snails have not been conducted. The aim of this study was to investigate the
relation of soil fauna with survival of land snails from the comparison of soil fauna on snail surviving
and extinct areas of Chichijima Island.
The research was conducted in June and November of 2005. Ten sites (3 snail surviving sites
and 7 extinct sites) for soil macrofauna and six sites (3 snail surviving sites and 3 extinct sites)
for soil mesofauna were set. Sampling of soil macrofauna was conducted at six quadrates
(each 25 × 25 cm) set at 5 m intervals along a line (25 m) in each site. Litter layer and topsoil (15
cm deep) were collected at each quadrate. Soil macrofauna was immediately picked up from
the soil and litter by hands. Soil mesofauna was extracted fro... Mostrar Tudo |
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Categoria do assunto: |
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LEADER 03773naa a2200193 a 4500
001 1315027
005 2008-10-03
008 2008 bl uuuu u00u1 u #d
100 1 $aHASEGAWA, M.
245 $aCommunity structures of soil animals on Chichijima island in Ogasawara islands in relation to the survival of land snails.
260 $c2008
520 $aChichijima in Ogasawara (Bonin) Islands is located in the northwestern Pacific Ocean, about 100km south of the mainland of Japan. 95 species of land snails have been recorded from these islands, and of which more than 90 percent are endemic to the islands (Chiba eta al. 2007). Most of the endemic species, however, have already become extinct or endangered in Chichijima (Chiba eta al. 2007). Predation pressure by an invasive flatworm (Platyrdemus manokwari) on the land snails was suggested as one of the cause of the decline of snails (Ohbayashi et al. 2005, 2007, Sugiura et al. 2006). Soil fauna on Chichijima were investigated several times (Aoki and Harada 1978 and Ishizawa and Takehara 2001), but the related studies with decline of snails have not been conducted. The aim of this study was to investigate the relation of soil fauna with survival of land snails from the comparison of soil fauna on snail surviving and extinct areas of Chichijima Island. The research was conducted in June and November of 2005. Ten sites (3 snail surviving sites and 7 extinct sites) for soil macrofauna and six sites (3 snail surviving sites and 3 extinct sites) for soil mesofauna were set. Sampling of soil macrofauna was conducted at six quadrates (each 25 × 25 cm) set at 5 m intervals along a line (25 m) in each site. Litter layer and topsoil (15 cm deep) were collected at each quadrate. Soil macrofauna was immediately picked up from the soil and litter by hands. Soil mesofauna was extracted from the soil core samples. A 100 ml soil sample (20 cm2 × 5 cm in depth) including litter layer was taken by a cylindrical core sampler at each of the ten points set at 5 m intervals along another line (45 m) in each site. Soil mesofauna was extracted from the samples for three days at 35?? by Tullgren funnels. Most of soil fauna did not show the decline. However, one undescribed but endemic carabid species (Badister sp.), which have selective feeding habits on land snails, was not recorded on snail extinct area. Earthworm was recorded at all study sites, and dominant in soil macrofauna. All species of the earthworms seemed to be introduced species. The invasive flatworm P. manokwari has been reported to feed also on the carcasses of earthworms as well as live snails, therefore P. manokwari is expected to survive on most of the area of Chichijima Island. Comaparison of this examination with Aoki and Harada (1978) showed that the density of Isopods decreased. The density and species richness of ants, Collembola and oribatid mites were not so different between snail survived and exterminated area. In conclusion, the close relation between soil fauna and land snails has been rarely recognized except one carabid species, but the present (current) structure of soil animals as reflected in introduced earthworm, decline of endemic isopods and tramp species of ants indicated the various impacts on the fauna on Chichijima island.
700 1 $aSUGIURA, S.
700 1 $aITO, M. T.
700 1 $aYAMAKI, A.
700 1 $aHAMAGUCHI, K.
700 1 $aKISHIMOTO, T.
700 1 $aOKOCHI, I.
773 $tIn: INTERNATIONAL COLLOQUIUM ON SOIL ZOOLOGY, 15; INTERNATIONAL COLLOQUIUM ON APTERYGOTA, 12., 2008, Curitiba. Biodiversity, conservation and sustainabele management of soil animal: abstracts. Colombo: Embrapa Florestas. Editors: George Gardner Brown; Klaus Dieter Sautter; Renato Marques; Amarildo Pasini. 1 CD-ROM.
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