Forest succession after shifting cultivation in Eastern Amazonia / (Registro n. 6509)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 02583nam a2200229 a 4500 |
| 001 - CONTROL NUMBER | |
| control field | 0011630 |
| 003 - INDENTIFICADOR DO NÚMERO DE CONTROLE | |
| Campo de controle | BR-MnINPA |
| 005 - DATA E HORA DA ÚLTIMA INTERVENÇÃO | |
| Campo de controle | 20190416162023.0 |
| 008 - CAMPOS FIXOS DE DADOS - INFORMAÇÕES GERAIS | |
| fixed length control field | 141118s1996 bl|||||||||||||||||eng|u |
| 082 ## - DEWEY DECIMAL CLASSIFICATION NUMBER | |
| CDD | 634.956 |
| Edição CDD | 19 |
| 090 ## - NÚMERO DE CHAMADA | |
| Classificação | T 634.956 |
| Cutter | V657f |
| 100 ## - ENTRADA PRINCIPAL - NOME PESSOAL | |
| Nome pessoal | Vieira, Ima Célia Guimarães |
| 245 ## - TÍTULO PRINCIPAL | |
| Título principal | Forest succession after shifting cultivation in Eastern Amazonia / |
| Indicação de responsabilidade | Ima Célia Guimarães Vieira. |
| 260 ## - IMPRENTA | |
| Data de publicação, distribuição, etc. | 1996. |
| 300 ## - DESCRIÇÃO FÍSICA | |
| Extensão | 205 f. : |
| Outros detalhes físicos | il. |
| 502 ## - NOTA DE DISSERTAÇÃO OU TESE | |
| Nota de dissertação ou tese | Tese |
| Tipo de grau | (Ph.D.) - |
| Nome da Instituição onde se graduou | University of Stirling, |
| Ano em que se graduou | 1996 |
| 520 ## - NOTA DE RESUMO | |
| Nota de resumo | Succession following shifting cultivation was studied in secondary forests (5 to 40 years old) and a primary forest in Bragantina region, Pará, Brazil. Secondary forests covered 62% of the study area (89 km²) and crops and pasture 18%. Soil analyses showed an increase in pH, exchangeable calcium, magnesium and potassium and a decrease of organic matter and exchangeable aluminium, immediately after burning. Organic matter and extractable phosphorus increased with forest age, exchangeable aluminium and potassium were the same in both secondary and primary forests and exchangeable calcium and magnesium remained higher in the secondary forests. The highest densities of individuals and the least basal area and height were found in the younger secondary forests. The number of woody species (= 5 cm dbh) 250-m² plot ranged from 8 to 17 in the secondary forests and 17 to 27 in the primary forest. Ordination and classification of floristic data suggested four successional communities. The forests regenerated readily and studies showed: the largest seed bank (0-5 cm) in the 5-years-old forest (1190 ± 284 seeds m-²) and a decrease with age to 137 ± 19 seeds m-² in the primary forest; the highest seed rain in the 5-years-old forest (883 + 230 seeds m-²) and least in the primary forest (220 + 80); 46% of the smaller plants (= 1 m tall, 5 cm dbh) were seedlings and 54% were sprouts in the 5-years-old forest but in the 10-years and 20-years-old forests, seedlings (81%) predominated; adult plants (= 5 cm dbh) in 5 to 20-years-old plots regenerated mainly from sprouts. Even after about 90 years of shifting cultivation the region has the potential for forest regeneration and the soil nutrients are able to recover to values similar to those in the primary forest. This raises the hope that, if a land use plan for Bragantina could be implemented, then it would be successful. |
| 650 0# - ASSUNTO - TERMO TÓPICO | |
| Cabeçalho tópico ou nome geográfico | Agricultura rotativa. |
| 650 0# - ASSUNTO - TERMO TÓPICO | |
| Cabeçalho tópico ou nome geográfico | Sucessão ecológica |
| Subdivisão geográfica | Bragantina (PA). |
| 700 1# - ENTRADA SECUNDÁRIA - NOME PESSOAL | |
| Nome pessoal | Proctor, John. |
| Termo relacionador | Orientador |
| 942 ## - ENTRADA ADICIONAL (KOHA) | |
| Tipo de material | Tese |
| Source of classification or shelving scheme | |
| Item perdido | Não pode ser emprestado | Origem | Número de chamada | Tombo | Tipo de material |
|---|---|---|---|---|---|
| Biblioteca INPA | T 634.956 V657f | 01-0111 | Livro |