An Analysis of Four Tropical Rain Forest Sites in New Guinea

1970 ◽  
Vol 58 (1) ◽  
pp. 77 ◽  
Author(s):  
K. Paijmans
Keyword(s):  
Rain Forest ◽  
Tropical Rain Forest ◽  
New Guinea ◽  
Forest Sites

The estimation of temporal processes in tropical rain forest: a study of primary mixed dipterocarp forest in Indonesia

1985 ◽  
Vol 1 (2) ◽  
pp. 171-182 ◽  
Author(s):  
Soedarsono Riswan ◽  
J. B. Kenworthy ◽  
Kuswata Kartawinata
Keyword(s):  
Time Scale ◽  
Rain Forest ◽  
Tropical Rain Forest ◽  
Gap Formation ◽  
Growth Rings ◽  
Secondary Species ◽  
East Kalimantan ◽  
Forest Sites ◽  
Time Required ◽  
Individual Trees

ABSTRACTIn the absence of growth rings it is difficult to give a precise time scale for processes associated with the re-establishment of tropical rain forest. This paper explores other methods by which a time scale may be constructed. The proportions of primary and secondary species, an index of similarity, biomass measurements, girth dimensions and gap size are all considered from sites in East Kalimantan, Indonesia. Data from primary, secondary and experimentally cleared forest sites are compared to estimate the minimum time required for various phases involved in the re-establishment of tropical rain forest after disturbance. A simple model is proposed to accommodate the data and other estimates in the literature. The model predicts a minimum period for the stablization of secondary species numbers as 60–70 years and the replacement of primary species as 150 years at which point gap formation is initiated. After approximately 220–250 years biomass stabilizes while individual trees exist for over 500 years.

Treefall Gap Dynamics in a Tropical Rain Forest in Papua New Guinea

2013 ◽  
Vol 67 (1) ◽  
pp. 47-58 ◽  
Author(s):  
Arison Arihafa ◽  
Andrew L. Mack
Keyword(s):  
Papua New Guinea ◽  
Rain Forest ◽  
Tropical Rain Forest ◽  
New Guinea ◽  
Gap Dynamics ◽  
Treefall Gap

Biogeochemical exploration for gold in tropical rain forest regions of Papua New Guinea

1996 ◽  
Vol 57 (1-3) ◽  
pp. 227-243 ◽  
Author(s):  
Brent I.A. McInnes ◽  
Colin E. Dunn ◽  
Eion M. Cameron ◽  
Linus Kameko
Keyword(s):  
Papua New Guinea ◽  
Rain Forest ◽  
Tropical Rain Forest ◽  
New Guinea ◽  
Forest Regions

Oahu Valley Sculpture: A Composite Review

1943 ◽  
Vol 80 (6) ◽  
pp. 237-243 ◽  
Author(s):  
C. A. Cotton
Keyword(s):  
Rain Forest ◽  
Tropical Rain Forest ◽  
New Guinea ◽  
Malay Peninsula ◽  
Cool Temperate ◽  
Forest Regions ◽  
Objective Study ◽  
Geological Magazine

Some remarks recently made by Dr. Rastall in the Geological Magazine have drawn attention to a present need for objective study of valley sculpture in tropical rain-forest regions. Pending the collection of further data in difficult terrains like the Malay Peninsula and the Owen Stanley Range of New Guinea we have available some well-reasoned theories that have been offered in explanation of the peculiar forms assumed by most Hawaiian valleys—forms that are perhaps peculiar only when judged by cool-temperate standards.

Conservation and Management of Tropical Rain-forest: A Dilemma of Development in Papua New Guinea

1977 ◽  
Vol 4 (2) ◽  
pp. 121-129 ◽  
Author(s):  
David Lamb
Keyword(s):  
Papua New Guinea ◽  
Land Tenure ◽  
Rain Forest ◽  
Tropical Rain Forest ◽  
New Guinea ◽  
Managed Forest ◽  
Language Groups ◽  
Local Pressures ◽  
Wildlife Reserve

Large areas of Papua New Guinea are covered by tropical rain-forest, but national and local pressures for development are causing increasing areas to be cleared for agriculture or logged for timber. Despite concern by conservation-minded land managers, a number of constraints make planning for the rational use of these resources rather difficult.The problems encountered are mainly sociological rather than ecological. Thus while landowners are willing or eager to sell the rights to harvest the timber on their land, they are unwilling to commit the land to any long-term land-use, whether this be as managed forest, national park, or wildlife reserve. The problem is compounded by the complicated system of land tenure and the fact that several language-groups may commonly be found within even a small area.The Gogol Timber Project at Madang illustrates some of these difficulties and the attempts that are being made to overcome them.

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