, Rose H, Morrow MP, Pushkarsky T, Dubrovsky L, et al. (2006) Human : Différence entre versions

Version du 30 janvier 2018 à 07:22

Inside the second study, Kai Chan, Rebecca Shaw, Gretchen Every day, and colleagues present a strategy for integrating ecosystem services into biodiversity conservation plans in California's Central Coast ecoregion to systematically identify priorities for conservation. Naidoo and Ricketts assessed 5 ecosystem services-- sustainable bushmeat harvest, sustainable timber harvest, pharmaceutical bioprospecting, existence worth (the intrinsic value of unspoiled wilderness), and carbon storage (forest conversion releases carbon dioxide)--provided by forests in the Mbaracayu Biosphere Reserve. The reserve--once covered by 90 forest but now extremely fragmented and threatened beyond a protected core--supports large-scale cattle ranching, soybean production, and small-scale farming, as well as hunting and foraging by the indigenous Ache. Inside a Gram {of the|from the|in the|on the|with the previous study (co-authored by Naidoo), the opportunity charges of conserving forested land had been estimated by integrating expected agricultural production values using the probability of forests becoming converted to agriculture; the latter was calculated according to previous patterns of deforestation. This procedure provided an estimate of the opportunity fees of conservation for every single hectare of forest inside the reserve. To calculate conservation rewards, Naidoo and Rickets determined the beneficiaries and worth of each and every ecosystem service per forest parcel across six forest types. There is no market price tag for bushmeat because it can not be legally traded, so the authors calculated its worth in component by multiplying the regional price of a kilogram of store-bought beef (US 1.44) occasions the anticipated meat production (from 12 wild game species) for each forest hectare. Sixteen tree species in the reserve were made use of to estimate the average worth of marketable timber per standing tree (US six.87), assuming a sustainable harvest. Bioprospecting value was calculated according to drug companies' willingness to spend for potentially marketable forest-derived drugs. Existence value was estim., Rose H, Morrow MP, Pushkarsky T, Dubrovsky L, et al. (2006) Human immunodeficiency virus impairs reverse cholesterol transport from macrophages. DOI: 10.1371/journal.pbio.| eAssessing Ecosystem Solutions to Identify Conservation PrioritiesLiza Gross | DOI: 10.1371/journal.pbio.0040392 Efforts to save wilderness normally play out within a winlose framework, pitting conservation against financial chance. But as human pressures on wildlands continue to escalate, conservation biologists are in search of win-win approaches, depending on the notion that ecosystems provide a lot of financial benefits--wetlands mitigate flooding, for example--to a wide variety of beneficiaries. By quantifying these ecosystem solutions and the "opportunity" fees of not establishing habitat, planners can recognize regions that provide critical ecosystem solutions and determine who benefits from these solutions and who incurs charges. But quantifying costs and advantages and the flow of ecosystem solutions across a variable landscape is often a daunting activity. Hence far, it has not been clear to what degree classic conservation plans for biodiversity also safeguard worthwhile ecosystem solutions. Taking complementary approaches to this problem, two new research use spatially explicit models to incorporate ecosystem solutions into conservation arranging. In a single study, Robin Naidoo and Taylor Ricketts weigh the financial worth of five ecosystem solutions against the costs of conservation in the Atlantic forests of Paraguay. This process Peptides (Figs. 4D, 4E). The CE-specific cytotoxic T cell responses (granzyme offered an estimate on the chance charges of conservation for every hectare of forest in the reserve.