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Registro Completo |
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
09/09/1996 |
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Data da última atualização: |
09/09/1996 |
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Autoria: |
SANTOS, I. C. dos; BESSA, J. C. A.; COIMBRA, R. R.; MIRANDA, G. V. |
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Afiliação: |
Universidade do Tocantins, Gurupi, TO. |
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Título: |
Avaliacao de cultivares de abobora verde na regiao de Gurupi - Tocantins. |
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Ano de publicação: |
1996 |
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Fonte/Imprenta: |
Horticultura Brasileira, Brasilia, v.14, n.1, p.115, maio 1996. |
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Idioma: |
Português |
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Notas: |
Resumo. |
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Palavras-Chave: |
Avaliacao; Brasil; Evaluation; Gurupi; Tocantins; Winter squash. |
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Thesagro: |
Abóbora; Cerrado; Cucúrbita sp; Variedade. |
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Thesaurus Nal: |
Brazil; varieties. |
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Categoria do assunto: |
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Marc: |
LEADER 00774naa a2200301 a 4500
001 1755635
005 1996-09-09
008 1996 bl uuuu u00u1 u #d
100 1 $aSANTOS, I. C. dos
245 $aAvaliacao de cultivares de abobora verde na regiao de Gurupi - Tocantins.
260 $c1996
500 $aResumo.
650 $aBrazil
650 $avarieties
650 $aAbóbora
650 $aCerrado
650 $aCucúrbita sp
650 $aVariedade
653 $aAvaliacao
653 $aBrasil
653 $aEvaluation
653 $aGurupi
653 $aTocantins
653 $aWinter squash
700 1 $aBESSA, J. C. A.
700 1 $aCOIMBRA, R. R.
700 1 $aMIRANDA, G. V.
773 $tHorticultura Brasileira, Brasilia$gv.14, n.1, p.115, maio 1996.
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Embrapa Hortaliças (CNPH) |
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Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
08/10/2008 |
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Data da última atualização: |
08/10/2008 |
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Autoria: |
VERHAAGH, M.; RABELING, C. |
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Título: |
Ants as soil organisms - methods and results from diversity and ecological studies in the Neotropics. |
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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 |
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Conteúdo: |
Ants belong to the most abundant and species-rich soil macrofauna groups in Neotropical forest
ecosystems. They are very important ecologically because they act at many levels in the soil
ecosystem. A hypogaeic and an epigaeic fauna can be distinguished but often not in a strict
sense but in many combinations regarding nesting and other activity habits. Ants function as
predators and prey, as herbivores and, with the group of fungus growing ants, as decomposers.
They are recognized as ecosystem engineers because of their soil moving activity and
concentration of nutrients in and around their nests (Rojas Fernándes 2003) and are good
indicators of habitat type (Bihn et al. 2008). Standardized sampling protocols have already been
developed (Agosti et al., 2000) to investigate their biodiversity.
The presentation will give a short review of methods to study soil ant diversity and our knowledge
about species richness and taxonomic composition of soil ant communities in the Neotropics.
Further, the ecological importance of two soil ant groups will be highlighted, small fungus growers
and army ants.
While leafcutting fungus growers received quite a lot of research attention the natural history and
the ecological impact of the majority of small non-leafcutting fungus growing ants have been
largely neglected. Even the nest architecture of the species is often unknown (Rabeling et al.
2007). We present data from a comparative study in an Amazonian forest and an agroforestry
system that show the contrarious size of diversity and abundance in both habitats and discuss
the ecological role of these small ants in soil physics and chemistry.
The results of another study focussing on predacious hypogaeic army ants demonstrate that the
diversity and abundance of army ants in neotropical soils is still largely unknown and in conclusion
also their ecological impact.
Agosti, D., Majer, J. D., Alonso, L.E. & Schultz, T. R. (eds.) 2000. Ants: standard methods for
measuring and monitoring biodiversity. Washington.
Bihn, J. H., M. Verhaagh, M. Brändle, and R. Brandl. 2008. Do secondary forests act as refuges
for old growth forest animals? Recovery of ant diversity in the Atlantic forest of Brazil. Biological
Conservation 141:733-743.
Rabeling, C., Verhaagh, M. & Engels, W. 2007. Comparative study of nest architecture and
colony structure of the fungus-growing ants, Mycocepurus goeldii and M. smithii. Journal of Insect
Science 7(40): 1-13
Rojas Fernández, P. (2003): El papel de las hormigas (Hymenoptera: Formicidae) en la dinámica
edáfica. Pp. 197-216 in: Alvarez-Sánchez, J. & Naranjo-García, E. (eds.) Ecología del suelo en
la selva tropical húmeda de Mexico. Xalapa MenosAnts belong to the most abundant and species-rich soil macrofauna groups in Neotropical forest
ecosystems. They are very important ecologically because they act at many levels in the soil
ecosystem. A hypogaeic and an epigaeic fauna can be distinguished but often not in a strict
sense but in many combinations regarding nesting and other activity habits. Ants function as
predators and prey, as herbivores and, with the group of fungus growing ants, as decomposers.
They are recognized as ecosystem engineers because of their soil moving activity and
concentration of nutrients in and around their nests (Rojas Fernándes 2003) and are good
indicators of habitat type (Bihn et al. 2008). Standardized sampling protocols have already been
developed (Agosti et al., 2000) to investigate their biodiversity.
The presentation will give a short review of methods to study soil ant diversity and our knowledge
about species richness and taxonomic composition of soil ant communities in the Neotropics.
Further, the ecological importance of two soil ant groups will be highlighted, small fungus growers
and army ants.
While leafcutting fungus growers received quite a lot of research attention the natural history and
the ecological impact of the majority of small non-leafcutting fungus growing ants have been
largely neglected. Even the nest architecture of the species is often unknown (Rabeling et al.
2007). We present data from a comparative study in an Amazonian forest and an agroforestry
system th... Mostrar Tudo |
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Categoria do assunto: |
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Marc: |
LEADER 03367naa a2200133 a 4500
001 1315097
005 2008-10-08
008 2008 bl uuuu u00u1 u #d
100 1 $aVERHAAGH, M.
245 $aAnts as soil organisms - methods and results from diversity and ecological studies in the Neotropics.
260 $c2008
520 $aAnts belong to the most abundant and species-rich soil macrofauna groups in Neotropical forest ecosystems. They are very important ecologically because they act at many levels in the soil ecosystem. A hypogaeic and an epigaeic fauna can be distinguished but often not in a strict sense but in many combinations regarding nesting and other activity habits. Ants function as predators and prey, as herbivores and, with the group of fungus growing ants, as decomposers. They are recognized as ecosystem engineers because of their soil moving activity and concentration of nutrients in and around their nests (Rojas Fernándes 2003) and are good indicators of habitat type (Bihn et al. 2008). Standardized sampling protocols have already been developed (Agosti et al., 2000) to investigate their biodiversity. The presentation will give a short review of methods to study soil ant diversity and our knowledge about species richness and taxonomic composition of soil ant communities in the Neotropics. Further, the ecological importance of two soil ant groups will be highlighted, small fungus growers and army ants. While leafcutting fungus growers received quite a lot of research attention the natural history and the ecological impact of the majority of small non-leafcutting fungus growing ants have been largely neglected. Even the nest architecture of the species is often unknown (Rabeling et al. 2007). We present data from a comparative study in an Amazonian forest and an agroforestry system that show the contrarious size of diversity and abundance in both habitats and discuss the ecological role of these small ants in soil physics and chemistry. The results of another study focussing on predacious hypogaeic army ants demonstrate that the diversity and abundance of army ants in neotropical soils is still largely unknown and in conclusion also their ecological impact. Agosti, D., Majer, J. D., Alonso, L.E. & Schultz, T. R. (eds.) 2000. Ants: standard methods for measuring and monitoring biodiversity. Washington. Bihn, J. H., M. Verhaagh, M. Brändle, and R. Brandl. 2008. Do secondary forests act as refuges for old growth forest animals? Recovery of ant diversity in the Atlantic forest of Brazil. Biological Conservation 141:733-743. Rabeling, C., Verhaagh, M. & Engels, W. 2007. Comparative study of nest architecture and colony structure of the fungus-growing ants, Mycocepurus goeldii and M. smithii. Journal of Insect Science 7(40): 1-13 Rojas Fernández, P. (2003): El papel de las hormigas (Hymenoptera: Formicidae) en la dinámica edáfica. Pp. 197-216 in: Alvarez-Sánchez, J. & Naranjo-García, E. (eds.) Ecología del suelo en la selva tropical húmeda de Mexico. Xalapa
700 1 $aRABELING, C.
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.
Download
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