A review of the status of Philippine reefs

ED Gomez, PM Alino, HT Yap, WY Licuanan - Marine pollution bulletin, 1994 - Elsevier
Since 1979, the status of Philippine reefs has been periodically updated. While conditions of
the reefs during the early surveys were assessed in terms of live coral cover per se, the …

A method for identifying keystone species in food web models

S Libralato, V Christensen, D Pauly - Ecological modelling, 2006 - Elsevier
Keystones are defined as relatively low biomass species with a structuring role in their food
webs. Thus, identifying keystone species in a given ecosystem may be formulated as:(1) …

Ecosystem maturity—towards quantification

V Christensen - Ecological modelling, 1995 - Elsevier
An attempt is made to rank 41 steady-state models of aquatic ecosystems on the basis of
their maturity. Maturity is quantified using several of Odum's attributes of ecosystem maturity …

A century of fish biomass decline in the ocean

V Christensen, M Coll, C Piroddi, J Steenbeek… - … ecology progress series, 2014 - int-res.com
We performed a global assessment of how fish biomass has changed over the last 100 yr,
applying a previously developed methodology using ecological modeling. Our assessment …

[图书][B] Trophic interactions in Caribbean coral reefs

S Opitz - 1996 - books.google.com
Page 1 Trophic Interactions in Caribbean Coral Reefs Silvia Opitz A IOLARM INTERNATIONAL
CENTER FOR LIVING AQUATIC RESOURCES MANAGEMENT + Page 2 ENTERED IN NAGA …

Trophic flows in the southern Benguela during the 1980s and 1990s

LJ Shannon, CL Moloney, A Jarre, JG Field - Journal of Marine Systems, 2003 - Elsevier
Mass-balanced models of trophic flows in the southern Benguela ecosystem suggest a 10%
increase in zooplankton biomass between the 1980s and the 1990s, in agreement with …

Novel index for quantification of ecosystem effects of fishing as removal of secondary production

S Libralato, M Coll, S Tudela, I Palomera… - … Ecology Progress Series, 2008 - int-res.com
Exploited ecosystems are characterised by exports of secondary production from each
fished trophic level that reduce the energy available for upper levels at the ecosystem scale …

Managing fisheries involving predator and prey species

V Christensen - Reviews in fish Biology and Fisheries, 1996 - Springer
Several management strategies for ecosystems with biological interaction are discussed,
including predator removal, predator-prey coexistence, prey exploitation, overexploitation …

Complexity, cost and quality of ecosystem models and their impact on resilience: a comparative analysis, with emphasis on marine mammals and the Gulf of St …

L Morissette - 2007 - open.library.ubc.ca
The development of an ecosystem approach is essential to improve understanding of the
nature and dynamics of exploited marine ecosystems and the complexity of species …

Ecosystem change and the decline of marine mammals in the Eastern Bering Sea: testing the ecosystem shift and commercial whaling hypotheses

AW Trites, PA Livingston, S Mackinson… - 1999 - open.library.ubc.ca
Some species in the Bering Sea underwent large changes between the 1950s and the
1980s. Among the best documented are the declines of Steller sea lions and northern fur …