La Comisión viene considerando un proyecto de medida de conservación para establecer el Sistema Representativo de Áreas Marinas Protegidas de la Antártida Oriental (SRAMPAO) desde 2012. El proyecto de medida de conservación adjunto es una versión modificada de la propuesta presentada en CCAMLR-XXXIV (CCAMLR-XXXIV/30). Dicho proyecto refleja cuestiones planteadas en CCAMLR-XXXIV y durante el último período entre sesiones.
There is no abstract available for this document.
Abstract:
The CCAMLR Secretariat’s data management systems provide the secure infrastructure and repository for CCAMLR data which are submitted by CCAMLR Members to support the policy, scientific and administrative work of the Commission and Scientific Committee. These systems are being redeveloped as part of a long-term program of work which started in 2013. The work has focused on the development of structural and data elements of the enterprise data model, data warehouse, quality assurance, reference data, data extracts and metadata, and the appraisal of candidate systems for automated loading of, and reporting on, data submissions. These elements form the building blocks of the new system.
This paper provides the background, key achievements to date and work plan for the redevelopment of the CCAMLR data management systems. It updates Members on key tasks associated with transition to a new data warehouse, development of data extracts and metadata, and the establishment of a data management group. The paper also outlines the anticipated changes, and associated benefits for users of CCAMLR data. The work plan implements the advice of SC-CAMLR and its Working Groups on data traceability, system testing and evaluation, user training, data extracts and metadata, and establishing a data management group.
The user community can expect improvements in data quality assurance, database documentation and ease of use as the new system is progressively rolled out, including increased: integration across CCAMLR data; user-focussed documentation supporting data systems and CCAMLR data; availability of metadata libraries and data dictionaries; engagement, transparency and functionality relating to data submission; data quality assurance; dissemination of CCAMLR data and Secretariat support for data analytics and interrogation.
Abstract:
We used an ecosystem model to assess the risks of 1) the most recent distribution of krill catches in Subareas 48.1-48.3 and 2) current proposals to increase the catch limit in Subarea 48.1. Our results show that the concentration of fishing effort since 2009 increases the risks that predator populations will be depleted and unable to recover. These risks vary among predators and SSMUs and would be exacerbated by increased catches in Subarea 48.1. We briefly discuss the implications of our results and alternative approaches for spatial management of the krill fishery.
There is no abstract available for this document.
Abstract:
This paper presents a proposal for a longline survey connecting the currently undertaken surveys in Subarea 48.2 with the established fishery in Subarea 48.4. The research objectives include determining population connectivity between these Subareas, improving understanding of Dissostichus sp population structures in this region, and improving available data on bathymetry and associated distributions of benthic bycatch species. This proposal includes a three-year data collection and two-year data analysis plan towards the development of a stock hypothesis for the eastern regions of 48.2 and southern regions of 48.4.
Abstract:
The New Zealand Government undertakes regular maritime patrols in the Ross Sea region in support of CCAMLR’s fisheries management and conservation objectives. This paper summarises the boarding and inspection activities carried out during the patrol undertaken by HMNZS Otago in the 2015/16 fishing season.
Abstract:
Antarctic krill and salps are major macroplankton contributors to Southern Ocean food webs and biogeochemical cycles. Sustainably managing the fishery for Antarctic krill against a backdrop of rapid regional climate change requires information on distribution and changes over time. Many data have been collected on the abundance of the two taxa from net sampling surveys since 1926, but they are stored in national archives, sometimes only in archived notebooks. An international team of scientists has collated these disparate data into a central database called KRILLBASE, a composite, circumpolar database of numerical density (no.m-2) of postlarval Euphausia superba and salps (aggregate and solitaries and species combined), with associated environmental information, metadata and documentation. The aim is to provide a temporal-spatial data resource to support studies of Southern Ocean ecology, including studies in support of fisheries management and conservation. Previous versions of KRILLBASE have led to a series of papers since 2004 that illustrate some of its potential uses. The latest version contains data on krill from ~12,520 hauls and data on salps from ~10,832 hauls. These span 49 seasons in two epochs (1926-1939 and 1976-2011), including over 215 individual surveys from 11 nations, and data from both monitoring programs and large synoptic surveys. Due to variations in sampling method KRILLBASE includes additional standardised krill density data representing the expected density from a relatively efficient sampling method. This document illustrates the coverage and variability in sampling, and provides circumpolar distribution maps of krill and salps, as well as regional maps for the well-sampled Atlantic and Indian Ocean sectors of the Southern Ocean. The data were made available via a public website (https://www.bas.ac.uk/project/krillbase/) and the Digital Object Identifier http://doi.org/brg8 in October 2016. A forthcoming data paper will provide information on how to screen, interpret and use KRILLBASE to reduce artefacts in interpretation.