Showing papers by "Ana M. Parma published in 2004"
University of Washington1, Wellington Management Company2, Hobart Corporation3, University of California, Davis4, University of California, Santa Cruz5, National Scientific and Technical Research Council6, WorldFish7, Australian Institute of Marine Science8, Imperial College London9, University of Iceland10, University of British Columbia11
TL;DR: Marine reserves are a promising tool for fisheries management and conservation of biodiversity, but they are not a panacea for fishery management problems as discussed by the authors, and their successful use requires a case-by-case understanding of the spatial structure of impacted fisheries, ecosystems and human communities.
665 citations
TL;DR: Geoduck (Panopea abrupta) stocks are perceived as stable and their fisheries as sustainable, but this may reflect a mismatch between slow-paced dynamics and short-term perception, which could accelerate population declines and drive an apparently sustainable fishery to collapse.
Abstract: Geoduck (Panopea abrupta) stocks are perceived as stable and their fisheries as sustainable, but this may reflect a mismatch between slow-paced dynamics (maximum recorded age 168 years) and short-t...
56 citations
01 Jan 2004
TL;DR: In this paper, back-calculation of recruitment from agefrequency distributions compiled in 1979-83 in British Columbia and Washington shows a decades-long decline in recruitment over a vast geographical realm ( British Columbia to Washington) that reached a minimum during the mid-1970s.
Abstract: Investigation of climatic forcing on recruitment is often complicated by a scarcity of data at relevant spatial and time scales. Skeletal structures of long-lived sedentary animals can yield valuable long-term retrospective information, with fine spatial resolution. Geoducks are in that category: these gigantic and commercially valuable clams can reach an age of 168 years, and they aggregate in dense coastal beds from southeastern Alaska to Washington. Back-calculation of recruitment from agefrequency distributions compiled in 1979‐83 in British Columbia and Washington shows a decades-long decline in recruitment over a vast geographical realm (British Columbia to Washington) that reached a minimum during the mid-1970s. Analysis of data collected between 1993 and 2002 confirms a large-scale pre-1970s decline and reveals a post-1975 rebound. Recruitment in British Columbia is correlated with coastal environmental indexes, such as river discharges (negatively) and coastal sea-surface temperature (positively).
20 citations