نتایج جستجو برای: mineable reserve
تعداد نتایج: 31638 فیلتر نتایج به سال:
1. Marine protected areas are increasingly being recommended as an essential component of the management of exploited marine species, but virtually no attention has been given to the influence of parasites. This may be substantial, as a primary effect of marine reserves is to increase the density of an exploited population within the reserve relative to outside the reserve, which may facilitate...
I show that the benefit of a high reserve price in a commonvalues ascending auction is lower than in the observationally-equivalent private values setting. Put another way, when bidders actually have common values, empirical estimation based on a private values model will overstate the value of a high reserve price. Via numerical examples, I show that this same ranking typically applies to the ...
The value of no-take marine reserves as fisheries-management tools is controversial, particularly in high-poverty areas where human populations depend heavily on fish as a source of protein. Spillover, the net export of adult fish, is one mechanism by which no-take marine reserves may have a positive influence on adjacent fisheries. Spillover can contribute to poverty alleviation, although its ...
Utilities use operating reserve for frequency regulation. To ensure that the operating frequency and system security are well maintained, the operating grid codes always specify that the reserve quantity and response rate should meet some prescribed levels. This paper proposes a methodology to evaluate system’s contingency reserve for an isolated power network. With the presented algorithm to e...
We model the effect of a no-take reserve in a marine fishery management area, such as on a coral reef. Implicitly, eggs and larvae are mobile but adults are not; and there is open access fishing outside the reserve. A reserve is found to increase equilibrium catch if the prior ratio of stock to carrying capacity is less than a half, and the catch-maximising reserve proportion rises towards a ha...
Reserve requirements have traditionally been viewed as a key instrument of monetary policy. Indeed, textbook discussions of monetary policy typically center on the role of reserve requirements in determining the size of the money multiplier and the magnitude of bank credit expansion. In recent years, however, there has been a significant decline in the use of reserve requirements in the United ...
Reserve Bank of Minneapolis. We thank Steve Morris for comments and suggestions. The views expressed herein are the those of the authors and not necessarily those of the Federal Reserve Bank of Minneapolis or the Federal Reserve System.
The Canterbury Plains have lost most of their pre-Polynesian indigenous vegetation, primarily forest and shrubland. One of the few remaining areas is the 2.3 ha Eyrewell Scientific Reserve which consists mostly of low känuka (Kunzea ericoides) forest and a small area of grassland. We assessed the Reserve vegetation using a combination of plots and transect surveys at different times of the year...
parishan lake has been selected by unesco as a biosphere reserve and was recorded as an international wetland in ramsar convention in 1986. this region is located (29°31'n 51°48'e) at 820 m in kazeroon, fars province, south of iran and is the largest freshwater lake in the country. parishan lake is extremely important for a wide variety of wintering waterfowl and also for breeding waterfowl, es...
currently, laparoscopic cystectomy is the first-line therapy for ovarian benign cysts that are resistant to current therapies. there are different studies that point to ovarian reserve damage due to laparoscopic cystectomy. in this study, we evaluate the ovarian damage following laparoscopic cystectomy for non-endometriosis cysts using ultrasound and pathology findings. this is a prospective co...
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