Search results
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On the power to detect changes using the standard methods for monitoring parameters of predatory species
changes of 10%, 20% and 30% of the mean value (males, 12.4 days; females, 10.0 days) for the 5 years ... in the individual proportions of pairs raising zero, one or two chicks might be detectable using sample sizes much ... the power to distinguish between the mean values of parameters obtained in two or more years. We may also ... on two years or five years of monitoring (though for detecting a trend, the number of years will be very ... Paper Title: On the power to detect changes using the standard methods for monitoring parameters ... of predatory species Abstract / Description: The CCAMLR guidelines (CCAMLR, 1989) for analyzing the ... considered here are insufficient for conducting power analyses (penguin arrival weight A1.1, trend in penguin ... population size A3.1, penguin demography A4.1, penguin fledging weight A7.1). Alternative forms for analyses ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 377–397 : Author(s): Boveng, P. and J.L. Bengtson
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e-sc-xxxi-a06.pdf
... ) and ‘high mortality’ (M = 3). CVs of either 0%, 10%, 20% or 30% were added to the observed recruitment ... ) that recruitment might be serially correlated over time, with good recruitment periods of a year or two occurring ... on the krill-centric ecosystem and management of the krill fishery and MPAs, including the outcomes from two ... the APDPE SSMU (WG-EMM-12/05, Table 5). 2.2 Two vessels used the continuous fishing system (Saga Sea ... proposal for a three-year study to provide an improved understanding of the magnitude, species and size ... vessels that do not carry observers for all of their fishing operations should have an observer on board ... serially correlated over time, with good recruitment periods of a year or two occurring on approximately a ... include consideration of VMEs, and add an item on other ecosystem consideration, including fish-based
application/pdf attached to:WG-EMM-12Meeting Report : WG-EMM-12
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Schedule of Conservation Measures in Force 1995/96
6 Sequence of Inspection Procedure 1. The inspector shall measure one series of 20 meshes, selected ... additional series of 20 meshes selected in accordance with Article 3 shall be measured. The mesh size shall ... a weight or dynamometer, one series of 20 meshes only shall be measured. CONSERVATION MEASURE 5/V1 ... of streamer lines may be tested on vessels carrying two observers, at least one appointed in accordance ...
Document : Site Section: Publications
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THE POWER OF ECOSYSTEM MONITORING
% power after 20 years with the probability of a type I error (α) = 0.05). The power increased to >50 ... % power after 20 years with the probability of a type I error (α) = 0.05). The power increased ... monitoring programme of the predators of Antarctic krill Euphausia superba at South Georgia together ... the effects of fishing using either the krill population or a combined predator response index was low (20–40 ...
Meeting Document : WG-EMM-08/P11 : Author(s): K. Reid, J.P. Croxall and E.J. Murphy
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Development of the Southern Ocean Continuous Plankton Recorder survey
the 1925–1927 Discovery Expedition, and has been used successfully for 70 years to monitor plankton ... in the North Sea and North Atlantic Ocean. Sixty-five years later the CPR as a Type II version returned ... south on 110°E in early December and north on 150°E in mid-March each year, and will serve ... with 20, 31 and 26 tows, respectively. The 1999/2000 season included a unique, nearly simultaneous three ...
Meeting Document : WS-BSO-07/P4 : Author(s): Hosie, G., M. Fukuchi and S. Kawaguchi
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e-sc-v-a4.pdf
... concentrated in one or more periods of no more than two or three years, separated by periods of light ... in one or two seasons of the accumulated stock from several years’ natural production. In other cases ... of only one or two year-classes, and if year-class strength is highly variable, then high catches ... the Notothenia species, and catches in recent years have been based on only one or two year-classes ... year for which catch-at-age data are available. If there is no clear average value for previous years ... M = 0.25 (probably an upper limit for a relatively long- lived fish), the average F on 9+ fish from ... on only one or two year-classes. It was concluded in the 1985 report that this stock was being ... significant catches have been taken from the Antarctic for some 15 years, catches from any one stock have, in
application/pdf attached to:WG-FSA-86Meeting Report : WG-FSA-86
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e-sc-xxiii-a4-appD.pdf
... 20 years (e.g. Sainsbury, 1988). Over the last six years the approach has been extended from single ... ; 1 A minimally realistic model of an ecosystem is one that includes just sufficient components and interactions ... The Scientific Committee agreed to fund the attendance of two invited experts at the workshop, as well ... to invite two external experts who could advise on important areas where sufficient expertise ... WORKSHOP ON PLAUSIBLE ECOSYSTEM MODELS FOR TESTING APPROACHES TO KRILL MANAGEMENT (Siena, Italy, 12 to ... WORKSHOP ON PLAUSIBLE ECOSYSTEM MODELS FOR TESTING APPROACHES TO KRILL MANAGEMENT (Siena, Italy, 12 to ... 16 July 2004) INTRODUCTION 1.1 The Workshop on Plausible Ecosystem Models for Testing Approaches ... steering committee agreed to invite two external experts who could advise on important areas where
application/pdf attached to:WS-PEMTAKM-04Meeting Report : WS-PEMTAKM-04
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Draft proposal for multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
research proposal for 2018/19 to 2021/22, in accordance with ANNEX 24-01/A, Format 2. This succeeding plan ... has been designed as a 4-year plan, based on the low risk profile of this fishery and to allow more ... time for review by Working Groups of major reporting and review years in non-stock-assessment years ... of this research plan for WG-FSA-18. In addition, the current genetics work (Maschette et al. 2018) will provide ...
Meeting Document : WG-SAM-18/17 : Author(s): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Understanding CCAMLR’s Approach to Management
years, remained stable until 1994, but decreased by another 30% in the two years thereafter. Eggs ... and Macquarie Islands. The South Shetland Islands were first exploited in 1819/20. A year later, the catch ... sealing stopped in most places within the first two decades of the 20th century. It is not known how many ... resources. Article II embodies two concepts that are vital to CCAMLR’s approach to management. The first ...
Document : Site Section: Publications
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e-cc-xxvii-a5.pdf
... to require at least one international or national scientific observer on board krill vessels and two ... it recalled last year at CCAMLR-XXVI was supported by all delegations but one (CCAMLR-XXVI, paragraphs 13.28 ... for a period of approximately two years and had therefore been deprived of approximately US$7 million ... of the view that two years of inactivity did not constitute an adequate sanction and pointed out ... of krill fishing, expressed reservations as to the need for two observers on board some krill ... fished for a period of approximately two years and had therefore been deprived of approximately US$7 ... Members were of the view that two years of inactivity did not constitute an adequate sanction and pointed ... noted that the Scientific Committee is increasingly reliant on tagging data for the development of the
application/pdf attached to:SCIC-08Meeting Report : SCIC-08