Journal ArticleDOI
Model of a coral reef ecosystem
TLDR
In this article, the benthic net primary production and net community production of the atoll based on metabolism studies of reef flat, knolls, and lagoon communities at French Frigate Shoals Hawaii were estimated.Abstract:
The ECOPATH model for French Frigate Shoals estimates the benthic plant production (net primary production in kg wet weight) required to support the atoll food chain. In this section we estimate the benthic net primary production and net community production of the atoll based on metabolism studies of reef flat, knolls, and lagoon communities at French Frigate Shoals Hawaii. Community metabolism was measured during winter and summer. The reef communities at French Frigate Shoals exhibited patterns and rates of organic carbon production and calcification similar to other reefs in the world. The estimate of net primary production is 6.1·106 kg wet weight km-2 year-1±50%, a value remarkably close to the estimate by the ECOPATH model of 4.3·106 kg wet weight km-2 year-1. Our estimate of net community production or the amount of carbon not consumed by the benthos was high; approximately 15% of the net primary production. Model results indicate that about 5% of net primary production is passed up the food chain to mobile predators. This suggests about 10% of net primary production (∼6% of gross primary production) may be permanently lost to the system via sediment burial or export offshore.read more
Citations
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Journal ArticleDOI
Ecosystem-Based Fishery Management
Ellen K. Pikitch,Christine Santora,Elizabeth A. Babcock,Andrew Bakun,Ramón Bonfil,David O. Conover,Paul K. Dayton,Phaedra Doukakis,David Fluharty,Burr Heneman,Edward D. Houde,Jason S. Link,P. A. Livingston,Marc Mangel,M. K. McAllister,J. Pope,Keith Sainsbury +16 more
TL;DR: Pikitch et al. as discussed by the authors describe the potential benefits of implementation of ecosystem-based fishery management that, in their view, far outweigh the difficulties of making the transition from a management system based on maximizing individual species.
Journal ArticleDOI
Ecopath with Ecosim: methods, capabilities and limitations
TL;DR: The paper summarizes the capabilities of the modeling system with respect to evaluating how fisheries and the environment impact ecosystems and presents an overview of the computational aspects of the Ecopath, Ecosim and Ecospace modules as they are implemented in the most recent software version.
Journal ArticleDOI
The effects of fishing on sharks, rays, and chimaeras (chondrichthyans), and the implications for marine ecosystems
TL;DR: The effects of fishing on sharks, rays, and chimaeras (chondrichthyans), and the implications for marine ecosystems are examined at the single-species level and through trophic interactions.
Book ChapterDOI
The effects of fishing on marine ecosystems
Simon Jennings,Michel J. Kaiser +1 more
TL;DR: In this paper, the effects of fishing on benthic fauna, habitat, diversity, community structure and trophic interactions in tropical, temperate and polar marine environments and consider whether it is possible to predict or manage fishing-induced changes in marine ecosystems.
Journal ArticleDOI
ECOPATH II − a software for balancing steady-state ecosystem models and calculating network characteristics
Villy Christensen,Daniel Pauly +1 more
TL;DR: The use of ECOPATH II is exemplified through presentation of a model of the Schlei Fjord ecosystem (Western Baltic) through the use of routines for balancing the flow in a steady-state ecosystem from estimation of a missing parameter.
References
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Book
Fundamentals of ecology
TL;DR: This book discusses the role of energy in Ecological Systems, its role in ecosystem development, and its implications for future generations of ecologists.
Journal ArticleDOI
Community Structure, Population Control, and Competition
TL;DR: Populations of producers, carnivores, and decomposers are limited by their respective resources in the classical density-dependent fashion and interspecific competition must necessarily exist among the members of each of these three trophic levels.
Journal ArticleDOI
On the interrelationships between natural mortality, growth parameters, and mean environmental temperature in 175 fish stocks
TL;DR: A compilation of values for the exponential coefficient of natural mortality (M) is given for 175 different stocks of fish distributed in 84 species, both freshwater and marine, and ranging from polar to tropical waters as mentioned in this paper.
Journal ArticleDOI
Fundamentals of Ecology
I. Jack Stout,Eugene P. Odum +1 more
TL;DR: Odum and Barrett as mentioned in this paper discuss the scope of ecology and its role in the development of communities and landscapes, and provide an overview of the major ecosystems types and biomes.
Book
Biological oceanographic processes
TL;DR: In this paper, the authors proposed a method for the detection of biological oceanographic processes using biological oceanography processes, which they called Biological Oceanographic processes (BOP). But this method is not suitable for outdoor applications.
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