There are two main challenges in managing natural resources. One is to respond appropriately to the ecological characteristics of a given environment, preserving its integrity and functions while assuring a flow of benefits from it. This challenge is mostly about content— the what and when of managing natural resources. The other is to respond to the social characteristics of the same environme...

Population-environment studies have implicitly permeated demography but only until the mid-20 century has the debate been rekindled and research expanded. This article reviews the origins and history of the population-environment debate and attempts to provide insight into the most recent approaches and methodology. Beginning with the most traditional relationships established between demograph...

There is a need to select high quality forage legumes that are acid soil-tolerant, drought resistant, and persistent under the close defoliation associated with intensive pasture systems in the humid tropics. A greenhouse pot study was conducted to determine forage legume seedling growth (10 week-old) and regrowth (5 weeks after clipping to an 8-cm residual stubble) responses of ‘Amarillo’ pere...

Discusses the implications of the economic valuation of natural resources used for tourism and relates this valuation to the concept of total economic valuation. It demonstrates how applications of the concept of total economic valuation can be supportive of the conservation of natural resources used for tourism. Techniques for valuing tourism’s natural resources are then outlined and criticall...

Science, a weekly journal, is published each Friday by the American Association for the Advancement of Science at The Business Press, Incorporated, N. Queen St. and McGovern Ave., Lancaster, Pa. Founded in 1880. it has been since 1900 the official publication of the AAAS. Editorial and Advertising Offices, 1515 Massachusetts Avenue, N.W.. Washington 5, D. C. Telephone, EXecutive 60 or 6061. Cab...

Renewable natural resources include those resources useful to human economies that exhibit growth, maintenance, and recovery from exploitation over an economic planning horizon. The economics of such resources has traditionally considered stocks of fish, forests, or freshwater, much like a banker would tally interest on cash deposits. From an economic point of view, the management of biomass, s...

s (MAPA) and Indian Science Abstracts (ISA). Since, MAPA and ISA have vast coverage on Medicinal and Aromatic Plants and all science subjects, respectively, we have now decided to extend our services on all plant and animals based natural products in faster mode i.e. electronically. With immense pleasure we announce launching of Natural Products and Resources Repository (NPARR) with open access...

All opinions expressed here are those of the authors and not those of the Economics Education and Research Consortium Research dissemination by the EERC may include views on policy, but the EERC itself takes no institutional policy positions Though Russia is very rich in natural resources, the share of natural resource rental payments in budget revenues is very low, less than 4% of the consolid...