It is shown that   the proposals for the establishment of an MPA in the Weddell Sea should be complemented by information on the commercial potential and future rational use for dominant fish species in the Weddell Sea.  

The activities of the CCAMLR to minimize incidental mortality of seabirds in the course of longline fishing or longline fishing research in the Convention Area are carried out by means of: a) use a streamer line and b) control of the longline weighting rate. Currently, according to CM 24-02 (2014) and CM 25-02 (2015) which in force, vessels already use gears that do not allow birds pecking up the bait from hooks by controlling  longline sink rates and line-weighting regimes (CM 25-02 paragraph 2,3 and 4).  Thus, the use of a streamer line becomes meaningless for any vessels using longline gears described in paragraphs 2, 3 or 4 of Conservation Measure 25-02.

Russian Federation  proposes to amend Conservation Measure CM 24-02 (2014) «Longline weighting for seabird conservation» with regard to use a streamer line.  

The Republic of Chile completely revised its initial plan for a three-year project to study the distribution, abundance and biological characteristics of Antarctic demersal fish communities after the first survey had been undertaken in 2016. The revised proposal is planned to run from 2018 to 2020. Based on the experience gained in the first phase of research and recommendations made by WG-SAM-16 and WF-FSA-16, a revised proposal for a random, stratified trawl survey to be undertaken in Subareas 48.1 and 48.2 in accordance with CM-24-01 is provided. The objective of this research survey is to determine the distribution, abundance, and size composition of demersal finfish in Subareas 48.1 and 48.2. In this revised proposal, the study area includes the continental shelf of Elephant Island and of South Orkney Islands, between 100 and 500 m depth (Depth strata: 101-200 m, 201-260 m; 261-320 m, 320-380 m, 381-440, and 441-500 m). Sampling will be conducted using bottom trawl nets, with stations in the same approximate geographic coordinates as those used by the R/V Polarstern around Elephant Island (Kock & Jones, 2012) and the R/V Yuzhmorgeologiya around the South Orkney Islands (Jones & Kock, 2009). This will provide valuable information that will allow a comparison with the data collected by these two previous surveys. With the data obtained in each Subarea, size composition, density and standing stock biomass of fish resources will be determined using the delta-lognormal maximum likelihood estimator. Also, demersal habitats and biological data will be collected routinely on each station: total length and weight, sex and maturity stage and biological samples (stomachs, gonads and otoliths), for the main species of demersal finfish captured during the survey.

This document contains the research plan proposed by the Chilean Delegation in the Subarea 48.2 including the observations suggested by the Working Group on Statistics, Assessments and Modelling (WG-SAM) during the meeting held in Buenos Aires, Argentina, on 26 to 30 June 2017. Among the  recommendations adopted, coordination was achieved with the Delegation of Ukraine to develop research in the Subarea in a collaborative way (WG-SAM-17, paragraph 4.110). In the context of the present proposal, operational agreements were reached. In addition, Chile expressed its interest to further discuss with Ukraine, with the assistance of the Secretariat, strategies to improve both proposals, and contribute with a real scientific collaboration that could be implemented after 2018 season, which was welcomed by the Delegation of Ukraine. The Secretariat of CCAMLR is aware of this coordination and willing to offer support is required to facilitate the operational and scientific collaboration going forward.

Russian Federation is going to continue investigation for toothfish in Ross Sea. The previous Russian program was undertaken in the Subarea 88.2 in 2010–2012. This paper presents the research program in the frame of the research and monitoring associated with the RSRMPA.

Russian research program have objectives to investigate the life-cycle, distribution and movement, biological parameters and stock structure of Dissostichus species in the eastern part of the Ross Sea over shelf and continental slope within the Subarea 88.2 A. The tagging toothfish and recapture tagged fishes to be in focus. The study area covered by proposed investigations is located in the Special Research Zone of the RSRMPA. Proposals include the priority elements for scientific research and monitoring associated with the Ross Sea region marine protected area. 

The research program shall be conducted in the Special Research Zone during 2017–2027 or the first reference period for existence of the RSRMPA.  This program provides possibility for collaborative investigations in the Special Research Zone by Russian vessel and vessels from other CCAMLR country-members.

Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR subareas, where stock assessment should be carried out. In spite of hard ice conditions at most part of the Sea during mostly all the year, this large water area is very similar to the Ross Sea. This similarity could be found in geographical location, bathymetric profile, currents system and follows from results of the first and the second stage of this program. It highlights the Weddell Sea as one of the most promising area for exploratory fishery of Dissostichus sp. However, fishery in Subarea 48.5 is closed on the basis data on stock assessment absence. The main objective of the present program is collecting data for reliable stock assessment and following estimation of precautionary limits in accordance with CCAMLR decision rules. The program contains schedule and research program of the third stage of the Russian multi-year research program in the Weddell Sea that is prospected for 3-5 years. Detailed plan of fishing operations, data collecting and analysis will be provided for the Scientific Committee and Commission consideration.

The activities of the CCAMLR to minimize incidental mortality of seabirds in the course of longline fishing or longline fishing research in the Convention Area are carried out by means of: a) use a streamer line and b) control of the longline weighting rate. Currently, according to CM 24-02 (2014) and CM 25-02 (2015) which in force, vessels already use gears that do not allow birds pecking up the bait from hooks by controlling  longline sink rates and line-weighting regimes (CM 25-02 paragraphs 2, 3 and 4). Thus, the use of a streamer line becomes meaningless for any vessels using longline gears described in paragraphs 2, 3 or 4 of CM 25-02. It is proposed to amend CM 24-02 «Longline weighting for seabird conservation» with regard to use a streamer line.