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The definition also states that the goal of biodiversity offsets is to achieve no net loss of biodiversity, or ideally, a net gain. [6] No net loss (NNL) is an environmental policy approach, defined as a goal for development projects/activities and policies where impacts on biodiversity are either counterbalanced or outweighed by measures to ...
"No net loss" is defined by the International Finance Corporation as "the point at which the project-related impacts on biodiversity are balanced by measures taken to avoid and minimize the project's impacts, to understand on site restoration and finally to offset significant residual impacts, if any, on an appropriate geographic scale (e.g local, landscape-level, national, regional)."
A Biodiversity Impact Credit (BIC) is a transferable biodiversity credit designed to reduce global species extinction risk. The underlying BIC metric, developed by academics working at Queen Mary University of London and Bar-Ilan University, is given by a simple formula that quantifies the positive and negative effects that interventions in nature have on the mean long-term survival ...
A variety of objective means exist to empirically measure biodiversity. Each measure relates to a particular use of the data, and is likely to be associated with the variety of genes. Biodiversity is commonly measured in terms of taxonomic richness of a geographic area over a time interval. In order to calculate biodiversity, species evenness ...
The BNG policy requires a 10% net gain in biodiversity levels at a development site, measured using a 'Statutory Biodiversity Metric'. Habitat banks are suggested by Natural England as an off-site method for delivering biodiversity gains in advance of losses by creating and enhancing habitat, both on public or private lands. [44]
Nature-positive is a concept and goal to halt and reverse nature loss by 2030, and to achieve full nature recovery by 2050. [1] According to the World Wide Fund for Nature, the aim is to achieve this through "measurable gains in the health, abundance, diversity, and resilience of species, ecosystems, and natural processes."
The technique of rarefaction was developed in 1968 by Howard Sanders in a biodiversity assay of marine benthic ecosystems, as he sought a model for diversity that would allow him to compare species richness data among sets with different sample sizes; he developed rarefaction curves as a method to compare the shape of a curve rather than absolute numbers of species.
"No Net loss" is the United States government's overall policy goal regarding wetlands preservation. The goal of the policy is to balance wetland loss due to economic development with wetlands reclamation , mitigation, and restorations efforts, so that the total acreage of wetlands in the country does not decrease, but remains constant or ...