Few studies have investigated how free-ranging wild herbivores adjust their food intake rate and nutrient gains during the dry season. Our study focused on the largest extant grazer, the white rhinoceros (Ceratotherium simum Burchell 1817). Field measurements were made on changes in bite mass, bi...
Shrader, A.M.
,
Owen-Smith, N.
,
Ogutu, J.
,
[How a mega-grazer copes with the dry season: Food and nutrient intake rates by white rhinoceros in the wild]
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How a mega-grazer copes with the dry season: Food and nutrient intake rates by white rhinoceros in the wild
Ecologically sustainable forest management necessitates monitoring forest conditions and the environmental impacts of management activities. Through adaptive management, assessments that reveal excessive environmental impacts require revision of the management plan to ensure that ecological funct...
Geisler, C.C.
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Ghazoul, J.
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Hellier, A.
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[Setting critical limits to ecological indicators of sustainable tropical forestry]
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Setting critical limits to ecological indicators of sustainable tropical forestry
In this paper, we present an intensification model based on the intensity of exploitation and use of forests and forest lands as a relevant framework for analysing the appearance, dynamics, and evolution of different types of secondary forests. The systematic driving forces responsible for the di...
Chokkalingam, U.
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Smith, J.
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Jong, W. de
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Sabogal, C.
,
[A conceptual framework for the assessment of tropical secondary forest dynamics and sustainable development potential in Asia]
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A conceptual framework for the assessment of tropical secondary forest dynamics and sustainable development potential in Asia
This paper provides the general objectives of the special issue: secondary forests in Asia: their diversity, importance and role in future environmental management. It provides a brief overview of the renewed attention to tropical secondary forests and sketches the history of research on this sub...
Jong, W. de
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Chokkalingam, U.
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Smith, J.
,
Sabogal, C.
,
[Tropical secondary forests in Asia: introduction and synthesis]
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Tropical secondary forests in Asia: introduction and synthesis
Selective logging applied in tropical forests is based on one universal criterion: a minimum diameter cutting limit for all commercial timber species. Minimum diameter cutting limits in mixed dipterocarp forests of the Malesia region lead to high felling intensities (10–20+ trees per hectare). Su...
This paper looks at forests as sources of local environmental services (e.g. nutrient recycling and soil formation). It is through the fall in supply of these services that forest communities bear the external costs that are not included in the price of timber and other forest products. Local env...
Nathan, D.
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Kelkar, G.
,
[Case for local forest management: environmental services, internationalisation of costs and markets]
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Case for local forest management: environmental services, internationalisation of costs and markets
Castelli, Karen Regina
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Barreto, Mariana Gregorio
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Francesconi, Wendy
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Dalla Valle, Leandro
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Mondelli, Giulliana
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Abilio, Fernanda Maria
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Silva, Alexandre Maro da
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[Analysis of effectiveness of three forest interventionist techniques and proposal of a new and integrated model of forest restoration]
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Analysis of effectiveness of three forest interventionist techniques and proposal of a new and integrated model of forest restoration
This paper investigates in detail the extensive indigenous knowledge of forest ecological services in 3 villages (Katwa, Karudih, and Hesadih) situated in the eastern plateau region of India. One aspect discussed is the indigenous knowledge on the influence of forests on water regimes and water q...
The reproductive output of Shorea siamensis, a widespread dipterocarp tree, was assessed in relation to disturbance and tree density at three sites in western Thailand during the 1996 and 1997 flowering seasons. The locations were similar except in disturbance history, which was reflected in decr...
Ghazoul, J.
,
Liston, K.A.
,
Boyle, T.J.B.
,
[Disturbance-induced density-dependent reproductive success in a tropical forest tree]
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Disturbance-induced density-dependent reproductive success in a tropical forest tree
In the quest for global standards, “Criteria and Indicators” (C&I) are among the foremost mechanisms for defining and promoting sustainable tropical forest management. This paper examines some challenges posed by this approach, focusing on examples that reflect the ecological aspects of tropical ...
Sheil, Douglas
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Nasi, Robert
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Johnson, B.
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[Ecological criteria and indicators for tropical forest landscapes: challenges in the search for progress]
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Ecological criteria and indicators for tropical forest landscapes: challenges in the search for progress