Water conservation of forest ecosystem in Beijing and its value

Zhang, Biao; Li, Wenhua; Xie, Gaogang; Xiao, Yu

doi:10.1016/j.ecolecon.2008.09.004

Cited by 138 publications

(62 citation statements)

References 16 publications

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“…Owing to the alternative occurrence of rainfall interception and evaporation, the water intercepted amount in the largest rainfall event represents the potential water regulating capacity of forests better than the total water amount in a year (Zhang et al 2010). Therefore, C i can be determined by the following equation:…”

Section: Methodsmentioning

confidence: 99%

“…In this context, the hydrological role of forests in Beijing has aroused great concerns from scientists (Gao and Wang 1993;Zhang et al 1994;Wan and Chen 2000;Liu et al 2003a;Li et al 2004;Zhang et al 2008). However, these are very few studies on the spatially heterogeneous characteristics of the forest ecosystem function for water conservation.…”

Section: Introductionmentioning

confidence: 96%

“…The practical role of the forest or reforestation in water regulation and soil erosion has been debating vigorously van Dijk and Keenan 2007). Therefore, the potential contribution of a forest to water resources requires special attentions in the area with limited water resources (Zhang et al 2008).…”

Section: Introductionmentioning

confidence: 99%

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Regional differences of water conservation in Beijing’s forest ecosystem

Zhang

Xie

Yan

et al. 2011

Journal of Forestry Research

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Abstract： The water conservation capacities of main forests in Beijing, China were estimated through the quantitative analysis. Various methods developed in published papers on forest hydrology were employed. The forests in Huairou, Yanqing, Miyun, Mentougou and Fangshan districts are the main contributors to water conservation (the cumulative ratio reaches 65%), and the forests in Tongzhou, Chaoyang, Shunyi and Daxing districts have the highest water conservation capacity (3000 m 3 /ha). Altitude and slope are the key factors to affect the water conservation capacity. The forests located in Plain Area, Hilly Area, Low Mountain, and Middle Mountain contributes 27%, 28%, 24% and 21% of the conserved water, respectively. The water conservation capacity of forests in Plain Area (2 948 m 3 /ha), is superior to the forests in other regions. And the forests situated on Flat Slope, Moderate Slope and Gentle Slope constitute the largest proportion (nearly 93%) of water conservation, while the forests on Flat Slope has the highest water conservation capacity (2 797 m 3 /ha), and the forest on Steep slope has the lowest water conservation capacity (948 m 3 /ha).

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 96%

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Regional differences of water conservation in Beijing’s forest ecosystem

Zhang

Xie

Yan

et al. 2011

Journal of Forestry Research

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“…The first two terms, canopy interception and litter containment, can be ignored due to their small contributions to the total flood mitigation capacity (Brutsaert, 2005). Therefore, the total flood mitigation capacity is approximately equal to the last term, namely, soil retention, which depends primarily on the structural aspects of forest soils, especially capillary pores (i.e., micropores, including mesopores) and the depth of the soil layer (Biao et al, 2010). The total flood mitigation capacity can be efficiently estimated using Eq.…”

Section: Flood Mitigation and Water Storage Servicesmentioning

confidence: 99%

“…The maximum flood mitigation potential can be empirically quantified based on the sum of canopy interception, litter containment, and soil retention (Biao et al, 2010): where canopy interception is the amount of water remaining in the canopy of the forest; litter containment is the amount of water retained in the litter layer; and soil retention is the amount of water retained in the forest soil beneath the litter layer. The first two terms, canopy interception and litter containment, can be ignored due to their small contributions to the total flood mitigation capacity (Brutsaert, 2005).…”

Section: Flood Mitigation and Water Storage Servicesmentioning

confidence: 99%

A framework for pricing the loss of regulating ecosystem services caused by road construction

Kim

2015

KSCE J Civ Eng

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Road construction is a primary cause of the loss of ecosystems and their services. However, such loss of ecosystem services has not been reflected in key decision-making processes, such as in cost-benefit analysis due to difficulty in pricing the cost. This study proposes a framework for pricing the loss of regulating ecosystem services caused by road construction. Two important characteristics of the proposed framework are the adoption of the replacement cost method and the use of limited information in the planning phase of road projects. A case study was conducted to validate the proposed framework, with an emphasis on carbon sequestration, flood mitigation, and water storage services, based on 49 typical road construction projects in the Republic of Korea. On average, the costs of the loss of carbon sequestration, flood mitigation, and water storage services were estimated to be 5,055, 6,412, and 8,004 in units of $/lane-km, respectively, and the total costs were estimated to be an average of 19,474 $/lane-km, accounting for 0.47% of the direct construction cost. These findings are the effort for pricing the loss of ecosystem services caused by road construction from an engineering perspective. The proposed framework can be used to provide clear guidance for sustainable development.

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“Conservation value”: a review of the concept and its quantification

Capmourteres

Anand

2016

Ecosphere

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Citation: Capmourteres, V., and M. Anand. 2016. "Conservation value": a review of the concept and its quantification. Ecosphere 7(10):e01476. 10. 1002/ecs2.1476 Abstract. We examine the concept of "conservation value" (CV), its use in conservation biology and environmental management, and its quantification in the literature . We find that the concept has been applied to several different entities (e.g., species, communities, natural habitats, or human-made ecosystems, such as agroecosystems), has many different meanings, and is measured using a variety of metrics (e.g., species richness, abundance/density, habitat use, or rarity/uniqueness). In most cases, the meanings of CV used must be inferred from a paper's context. Actual and inferred meanings of CV are broadly grouped into eight categories, which are clearly possibly overlapping. Most papers (86%) provide a sufficient explanation of their CV metric(s), but only 25% of all papers actually provide the explicit definitions of CV. We use multivariate analyses firstly to detect the associations between meanings and entities, and find some strong associations. For example, when considering the CV of communities/ regions, the meaning used tends to be either (1) a tool to prioritize the conservation efforts or (2) an indicator of endangerment. When considering, however, other entities, such as agroecosystems, the associated meanings are (1) the provision of habitat and food supply to wildlife or (2) the capacity of these entities to complement other kinds of conservation. We use multivariate methods also to examine the associations between metrics and meanings. The well-known metrics of species richness, diversity, and abundance are associated with (1) the provision of habitat and food supply to wildlife or (2) the capacity of agroecosystems to complement other kinds of conservation. In general, CV applied to natural systems is a far more nebulous concept (both in meanings and in metrics) than when it is applied to anthropic or human-made ecosystems. We conclude that CV is an evolving concept adapting to new conservation and management scenarios. Given the diversity of meanings and metrics present, it would be useful to recognize CV more formally as an umbrella concept. Using CV as an umbrella concept would also enable researchers to find and compare CV methodologies more easily and thus facilitate the development of new ones.

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Water conservation of forest ecosystem in Beijing and its value

Cited by 138 publications

References 16 publications

Regional differences of water conservation in Beijing’s forest ecosystem

Regional differences of water conservation in Beijing’s forest ecosystem

A framework for pricing the loss of regulating ecosystem services caused by road construction

“Conservation value”: a review of the concept and its quantification

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