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Browsing by Subject "Forest"

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Aboveground biomass density models for NASA’s Global Ecosystem Dynamics Investigation (GEDI) lidar mission

Author: Duncanson, L ; Kellner, JR ; Armston, J ; Dubayah, R ; Minora, DM ; Hancock, S ; Healey, SP ; Patterson, PL ; Main, Russell S ; Naidoo, Laven Date: Mar 2022 NASA’s Global Ecosystem Dynamics Investigation (GEDI) is collecting spaceborne full waveform lidar data with a primary science goal of producing accurate estimates of forest aboveground biomass density (AGBD). This paper presents the development ... Read more
Bringing democracy to the forests – Developments in South Africa’s forestry policy and legislation

Author: Bethlehem, L Date: 2001 South Africa’s first democratic elections in 1994 swept a new government into power which, for the first time, enjoyed the support of the majority of citizens. That government has initiated an ambitious programme of change in all sectors of ... Read more
Climate-forest-water-people relations: Seven system delineations

Author: van Noordwijk, M ; Creed, IF ; Jones, JA ; Wei, XA ; Gush, Mark B ; Blanco, JA ; Sullivan, CA ; Bishop, K ; Murdiyarso, D ; Claassen, Marius Date: Jul 2018 In this chapter, we review current scientific understanding and hypotheses at seven system delineations that build up from the level of a `tree' interacting with water, to that of a social-ecological system at the scale of landscapes. Read more
Commentary on fair, effective and efficient REDD mechanism design

Author: Obersteiner, M ; Huettner, M ; Kraxner, F ; McCallum, I ; Aoki, K ; Bottcher, H ; Fritz, S ; Gusti, M ; Havlik, P ; Kindermann, G ; Rametsteiner, E ; Reyers, B Date: Nov 2009 The issues surrounding 'Reduced Emissions from Deforestation and Forest Degradation' (REDD) have become a major component of continuing negotiations under the United Nations Framework Convention on Climate Change (UNFCCC). This paper aims to ... Read more
Current and future perspectives on forest-water goods and services

Author: Claassen, Marius ; Vira, B ; Xu, J ; Gyawali, D ; Martin-Ortega, J ; Pol, PO ; Creed, IF ; Ellison, D ; McNulty, SG ; Archer, Emma RM Date: Jul 2018 This chapter utilises the ecosystem services framework to understand the consequences of change in forest ecosystem functions and water-related implications. Using a scenario analysis, the chapter explores the likely changes in attributes of ... Read more
Deciphering the distribution of the savanna biome

Author: Lehmann, CER ; Archibald, SA ; Hoffmann, WA ; Bond, WJ Date: Jul 2011 We aimed to identify the limits of savanna across Africa, Australia and South America. We based our investigation on the rich history of hypotheses previously examined; that the limits of savanna are variously determined by rainfall, rainfall ... Read more
Determinants of the forest-water relationship

Author: McNulty, SG ; Archer, Emma RM ; Gush, Mark B ; Van Noordwijk, M ; Ellison, D ; Blanco, JA ; Xu, J ; Bishop, K ; Wei, XA ; Vira, B Date: Jul 2018 Our analysis of forest-water relations addresses four important subsystems of a linked planetary social-ecological system: climate, forests, water and people. In this chapter, we consider how each of these subsystems is changing (trend) and ... Read more
Environmental aspects of the forest management certification process

Author: Scott, DF Date: 2000 Certification has been responsible for a very large improvement in the standard of forest management in South Africa. The reasons for the positive role of certification are set out briefly below. Firstly, and most importantly, certification ... Read more
Forest landscape hydrology in a ‘New Normal’ era of climate and land use change

Author: Jones, JA ; Wei, XA ; Van Noordwijk, M ; Creed, IF ; Gush, Mark B ; Ellison, B ; Blanco, JA ; Bishop, K ; McNulty, SG ; Archer, Emma RM Date: Jul 2018 This chapter aims to clarify the effects that changing climate and quantity, quality and pattern of tree cover in forests have on the way water becomes available for human use and ecosystem integrity. To do this, the chapter synthesises current ... Read more
A forest map of Southern Africa with the aid of LANDSAT imagery

Author: Van der Zel, DW Date: 1988 Even after 300 years of indigenous forest protection as well as 100 years of plantation forestry, no forestry map of South Africa was available. The development and availability of LANDSAT images in the early 1970s opened possibility to use ... Read more
Forest, trees and water on a changing planet: How contemporary science can inform policy and practice

Author: Creed, IF ; Van Noordwijk, M ; Archer, Emma RM ; Claassen, Marius ; Ellison, D ; Jones, JA ; McNulty, SG ; Vira, B ; Wei, XA Date: Jul 2018 Trees and people both need water. With a growing global population and continued forest loss and degradation - a key question becomes: are trees and people competitors or friends? The relationship between forests, trees and water is an issue ... Read more
Governance options for addressing changing forest-water relations

Author: Ellison, D ; Claassen, Marius ; Van Noordwijk, M ; Sullivan, CA ; Vira, B ; Xu, J ; Archer, Emma RM ; Haywood, Lorren K Date: Jul 2018 From a systems perspective, governance represents a key driver when it comes to the potential for addressing rapid environmental, climate, social and even technological change. As our knowledge of forest-water interactions and their potential ... Read more
Growing credibility – Impact of certification on forests and people in South Africa

Author: Frost, B ; Mayers, J ; Roberts, S Date: 2003 Certification has developed more rapidly in South African forestry than in most countries of the South. This report looks at the motivations behind the spread of certification in the South African forest and wood products industry and describes ... Read more
Management options for dealing with changing forest-water relations

Author: Vira, B ; Ellison, D ; McNulty, SG ; Archer, Emma RM ; Bishop, K ; Claassen, Marius ; Creed, IF ; Gush, Mark B ; Gyawali, D ; Martin-Ortega, J Date: Jul 2018 This chapter addresses potential forest and water management strategies based on our understanding of the 'new normal', the challenges imposed, in particular, by climate change and human population growth, and our evolving knowledge of ... Read more

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Browsing by Subject "Forest"

Browsing by Subject "Forest"

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