In the absence of analytical methods, the half-lives of biological activity of pesticides can be estimated by bioassays. To determine the half-lives of biological acivity of pesticides to fish, static bioassays were conducted ...

Algae and detritus co-occur on reef substrata, but their relative importance to consumers, in terms of biomass and nutrient content, is poorly understood. Epilithic algae, sediment and detritus were sampled among four ...

This book contains the summaries of various sessions presented at the "Workshop on Locally-Based Management of Natural Resources" held at Neak Pean Hotel in Siem Reap, Cambodia during 10-11 April 2001. The workshop discussed ...

This paper presents a simple dynamic model dealing with the management of a marine renewable resource. But instead of studying the ecological and economic interactions in terms of equilibrium or optimal control, we pay ...

Coral reefs are based on a fragile and easily disrupted symbiosis between microalgs.e and coral polyps. The corals, together with macro-algae, form the base of a food web that supports a highly diverse ecosystem. The primary ...

The Lower Mekong Basin has extensive wetlands and these are being threatened by numerous problems. Most of these problems are interdependent and interact with one another. The lack of an appropriate definition of wetlands ...

In a single cohort of small freshwater prawn, Macrobrachium rosenbergii, the size range of females in the population is rather small. However, among the males, three major morphotypes are found and each has a distinct size ...

The sustainable management of international rivers was affirmed as a policy priority in Agenda 21 and figures as a key mandate of the Global Environment Facility. Yet, the institutions needed to translate such sustainability ...

Marine protected areas were established in the Philippines as early as 1974. These early models on Sumilon and Apo Islands and others set forth a framework for coral reef management that has been shown to enhance fish ...

This presentatioin is about the Asia-Pacific food security and nutrition challenge with focus on the area of ICLARM's work, namely, fisheries and aquaculture. The author also illustrates the different roles that science ...