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Podding of Paralomis Granulosa
Nauplius ORIGINAL ARTICLE Podding of Paralomis granulosa (Lithodidae) juveniles inhabiting kelp forests of the Cape Horn e-ISSN 2358-2936 www.scielo.br/nau Archipelago (Chile) www.crustacea.org.br Ivan Cañete1 orcid.org/0000-0002-1293-886X Alan M. Friedlander2,3 orcid.org/0000-0003-4858-006X Enric Sala2 orcid.org/0000-0003-4730-3570 Tania Figueroa1 orcid.org/0000-0003-4928-4924 1 Department of Sciences and Natural Resources, Faculty of Sciences, University of Magallanes. Punta Arenas, Chile. IC E-mail: [email protected] TF E-mail: [email protected] 2 Pristine Seas, National Geographic Society. Washington DC, United States of America ES E-mail: [email protected] 3 Hawaii Institute of Marine Biology, University of Hawaii. Kaneohe, Hawaii. United States of America. AMF E-mail: [email protected] ZOOBANK: http://zoobank.org/urn:lsid:zoobank.org:pub:A40E315A-4C8E-4FB7- A6CB-8AF9973CFBDF ABSTRACT Subtidal observations along the Cape Horn Archipelago, Chile (CHA) in February 2017 revealed an unusually large aggregation (or pod) of juvenile false king crabs, Paralomis granulosa (Hombron and Jacquinot, 1846), in association with kelp forests (Macrocystis pyrifera and Lessonia spp.). This is the first study to report a dense aggregation of juveniles of this crab, which was observed at Wollaston Island (WI) (~ 10 m). Paralomis granulosa was present on half the transects at WI (N=10), with a density of 3.1 ± 9.9 ind. m-2. Photographs from the podding event showed densities of P. granulosa ranging from 63 to 367 ind. plant-1 (190 ± 133 ind. plant-1). -
Challenging the Cold: Crabs Reconquer the Antarctic
Ecology, 86(3), 2005, pp. 619±625 q 2005 by the Ecological Society of America CHALLENGING THE COLD: CRABS RECONQUER THE ANTARCTIC SVEN THATJE,1,5 KLAUS ANGER,2 JAVIER A. CALCAGNO,3 GUSTAVO A. LOVRICH,4 HANS-OTTO POÈ RTNER,1 AND WOLF E. ARNTZ1 1Alfred Wegener Institute for Polar and Marine Research, Columbusstr. D-27568 Bremerhaven, Germany 2Biologische Anstalt Helgoland, Foundation Alfred Wegener Institute, Helgoland, Germany 3Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Intendente GuÈiraldes 2160, C1428EHA, Buenos Aires, Argentina 4Consejo Nacional de Investigaciones Cientõ®cas y TeÂcnicas, Centro Austral de Investigaciones Cientõ®cas, CC 92, V9410BFD Ushuaia, Tierra del Fuego, Argentina Abstract. Recent records of lithodid crabs in deeper waters off the Antarctic continental slope raised the question of the return of crabs to Antarctic waters, following their extinction in the lower Miocene ;15 million years ago. Antarctic cooling may be responsible for the impoverishment of the marine high Antarctic decapod fauna, presently comprising only ®ve benthic shrimp species. Effects of polar conditions on marine life, including lowered metabolic rates and short seasonal food availability, are discussed as main evolutionary driving forces shaping Antarctic diversity. In particular, planktotrophic larval stages should be vulnerable to the mismatch of prolonged development and short periods of food avail- ability, selecting against complex life cycles. We hypothesize that larval lecithotrophy and cold tolerance, as recently observed in Subantarctic lithodids, represent, together with other adaptations in the adults, key features among the life-history adaptations of lithodids, potentially enabling them to conquer polar ecosystems. The return of benthic top predators to high Antarctic waters under conditions of climate change would considerably alter the benthic communities. -
Changes in Biomass and Chemical Composition During Lecithotrophic Larval Development of the Southern Stone Crab Paralomis Granulosa
MARINE ECOLOGY PROGRESS SERIES Vol. 257: 189–196, 2003 Published August 7 Mar Ecol Prog Ser Changes in biomass and chemical composition during lecithotrophic larval development of the southern stone crab Paralomis granulosa Javier A. Calcagno1,*, Sven Thatje2, Klaus Anger3, Gustavo A. Lovrich4, Antje Kaffenberger3 1Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Intendente Güiraldes 2160, Lab 64, 4to Piso, Pab II, Cdad Universitaria C1428EHA, Buenos Aires, Argentina 2Alfred Wegener Institute for Polar and Marine Research, PO Box 120 161, 27515 Bremerhaven, Germany 3Biologische Anstalt Helgoland, Stiftung Alfred Wegener Institute for Polar and Marine Research, 27498 Helgoland, Germany 4Consejo Nacional de Investigaciones Científicas y Técnicas, Centro Austral de Investigaciones Científicas, CADIC, CC 92, V9410BFD Ushuaia, Tierra del Fuego, Argentina ABSTRACT: Changes in biomass and elemental composition (dry mass, W; carbon, C; nitrogen, N; hy- drogen, H) were studied in the laboratory during complete larval and early juvenile development of the southern stone crab Paralomis granulosa (Jacquinot). At 6 ± 0.5°C; total larval development from hatching to metamorphosis lasted ca. 56 d, comprising 2 demersal zoeal stages and a benthic mega- lopa, with mean stage durations of 5, 11 and 45 d, respectively. All larval stages of P. granulosa are lecithotrophic, and first feeding and growth were consistently observed immediately after meta- morphosis to the first juvenile crab stage. Regardless of presence or absence of food, W, C, N, and H decreased throughout larval development. Also the C:N mass ratio decreased significantly, from 7.2 at hatching to 4.2 at metamorphosis, indicating that a large initial lipid store remaining from the egg yolk was gradually utilised as an internal energy source. -
When Malbec Became Argentine: an Analysis of the Quality Wine Revolution in Mendoza Dominique Lee
Claremont Colleges Scholarship @ Claremont Scripps Senior Theses Scripps Student Scholarship 2018 When Malbec became Argentine: An Analysis of the Quality Wine Revolution in Mendoza Dominique Lee Recommended Citation Lee, Dominique, "When Malbec became Argentine: An Analysis of the Quality Wine Revolution in Mendoza" (2018). Scripps Senior Theses. 1224. http://scholarship.claremont.edu/scripps_theses/1224 This Open Access Senior Thesis is brought to you for free and open access by the Scripps Student Scholarship at Scholarship @ Claremont. It has been accepted for inclusion in Scripps Senior Theses by an authorized administrator of Scholarship @ Claremont. For more information, please contact [email protected]. WHEN MALBEC BECAME ARGENTINE: AN ANALYSIS OF THE QUALITY WINE REVOLUTION IN MENDOZA by DOMINIQUE LEE SUBMITTED TO SCRIPPS COLLEGE IN PARTIAL FULFILLMENT OF THE DEGREE OF BACHELOR OF ARTS PROFESSOR GABRIELA MORALES, SCRIPPS COLLEGE PROFESSOR BRIAN KEELEY, PITZER COLLEGE APRIL 12th, 2018 Lee 2 Table Contents Abstract 4 1.0 Why Study Wine? 5 1.0.1 Quality Versus Quantity 7 1.1 Methodology 9 1.2 An Introduction to Terroir 11 2. History of Winemaking in Argentina 14 2.1 Government Regulation: A Precursor to Change 15 2.1.1 Argentina’s Turbulent Economy 16 2.2 Was there a Revolution in Argentinian Wine Production? 17 2.2.1 Thomas Kuhn’s Paradigm Shifts 18 2.3 Paradigm Shift in Mendoza Wine Production 22 2.3.1 The Previous Paradigm: Prior to the 1990s 23 2.3.2 The Paradigm Shift 26 2.3.3 The New Paradigm 28 2.4 Conversion Between Paradigms 30 2.5 What is Progress within Paradigms? 31 2.6 Beginning of Geographic Indication Systems 34 3. -
(Isopoda: Bopyridae) on Juveniles of Lithodes Santolla (Magellan Region, Chile): a Spatial Mesoscale Analysis
Lat. Am. J. Aquat. Res., 45(1): 79-93,Infestation 2017 of Pseudione tuberculata on juveniles of Lithodes santolla 79 DOI: 10.3856/vol45-issue1-fulltext-8 Research Article Infestation of Pseudione tuberculata (Isopoda: Bopyridae) on juveniles of Lithodes santolla (Magellan region, Chile): a spatial mesoscale analysis Juan I. Cañete1, Javier A. Díaz-Ochoa1, Tania Figueroa1 & Alvaro Medina1 1Departamento Ciencias y Recursos Naturales, Facultad de Ciencias Universidad de Magallanes, Punta Arenas, Chile Corresponding author: Javier Díaz ([email protected]) ABSTRACT. We document latitudinal patterns of infestation of the bopyrid parasite isopod Pseudione tuberculata on southern king crab Lithodes santolla juveniles (20-77 mm carapace length) recruited to fishing grounds in the southern Chilean fjord system. Seven hundred and fifty individuals were collected by semi- autonomous diving in 11 of 21 sampling locations in the study area, along the western margin of the Magellan region between August and October 2013.The prevalence of P. tuberculata varied between 0 and ~22%, and displayed a spatial pattern associated with three areas: i) northern Beagle Channel (10 to ~22%; lengths between 37 and 47 mm), ii) northwestern Navarino Island without infestations (0%; 26-55 mm), and iii) Piazzi Island- Capitán Aracena Island (0-12%; 50-77 mm). Infestations were independent of host sex, while parasite prevalence decreased with host length. No parasites were observed on crabs longer than 60 mm. A comparison of slopes between linearized length-weight regressions suggests that parasitized individuals had lower weight growth than uninfested individuals. Both southern king crab juvenile density and P. tuberculata prevalence were higher in fishing areas towards Beagle Channel where previous research reported lower average surface water temperatures (<6.5°C) and higher surface water salinity (>30). -
Antarctic Reptant Decapods: More Than a Myth?
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Electronic Publication Information Center Polar Biol (2004) 27: 195–201 DOI 10.1007/s00300-003-0583-z REVIEW Sven Thatje Æ Wolf E. Arntz Antarctic reptant decapods: more than a myth? Received: 21 August 2003 / Accepted: 28 November 2003 / Published online: 10 February 2004 Ó Springer-Verlag 2004 Abstract The impoverished Antarctic decapod fauna is dition of the German Polar Commission to South one of the most conspicuous biodiversity phenomena in Georgia in 1882–1883 (Pfeffer 1887). polar science. Although physiological and ecological Since then, a few new species and records of decapods approaches have tried to explain the reason for the low have been reported from the Southern Ocean (Yaldwyn decapod biodiversity pattern in the Southern Ocean, the 1965; Kirkwood 1984; Tiefenbacher 1990; Thatje 2003). complexity of this problem is still not completely However, known Antarctic decapod diversity remains understood. The scant records of crabs south of poor, represented by approximately only a dozen ben- the Polar Front were always considered as exceptional, thic natant (caridean shrimp) species. Some of those and have mostly been ignored by marine biologists species are known to occur in high abundances on the world-wide, creating one of the most dogmatic para- high-Antarctic Weddell Sea shelf (Arntz and Gorny digms in polar science. We herein review the record of 1991; Arntz et al. 1992; Gorny 1999). both adults and larvae of reptants from the Southern Low temperature is the main physiological impact Ocean. At present, several species of only lithodid crabs on life in polar areas, and results in low metabolic rates maintain considerable adult populations in circum- in polar ectotherms (Clarke 1983; Peck 2001). -
ARGENTINA This Publication Was Prepared Within the Framework of the Project on Responsible Business Conduct in Latin America and the Caribbean
RESPONSIBLE BUSINESS CONDUCT Responsible Business Conduct Country Fact Sheet ARGENTINA This publication was prepared within the framework of the Project on Responsible Business Conduct in Latin America and the Caribbean. Launched in 2019, this project promotes smart, sustainable and inclusive growth in the EU and Latin America and Caribbean by supporting responsible business conduct practices in line with the UN, ILO and OECD instruments. It is jointly implemented by the OECD, ILO, UN Office of the High Commissioner for Human Rights and the European Union. Please cite this publication as: OECD (2020), Responsible Business Conduct Country Fact Sheet - Argentina, OECD Paris. Funded by the European Union This work is published under the responsibility of the Secretary-General of the OECD. The opinions expressed and arguments employed herein do not necessarily reflect the official views of OECD member countries. This document and any map included herein are without prejudice to the status of or sovereignty over any territory, to the delimitation of international frontiers and boundaries and to the name of any territory, city or area. © OECD 2020 | 3 Table of contents 1. Country Overview ............................................................................................................................. 4 2. Investment .......................................................................................................................................... 6 3. Trade.................................................................................................................................................. -
A Review of Longnose Skates Zearaja Chilensisand Dipturus Trachyderma (Rajiformes: Rajidae)
Univ. Sci. 2015, Vol. 20 (3): 321-359 doi: 10.11144/Javeriana.SC20-3.arol Freely available on line REVIEW ARTICLE A review of longnose skates Zearaja chilensis and Dipturus trachyderma (Rajiformes: Rajidae) Carolina Vargas-Caro1 , Carlos Bustamante1, Julio Lamilla2 , Michael B. Bennett1 Abstract Longnose skates may have a high intrinsic vulnerability among fishes due to their large body size, slow growth rates and relatively low fecundity, and their exploitation as fisheries target-species places their populations under considerable pressure. These skates are found circumglobally in subtropical and temperate coastal waters. Although longnose skates have been recorded for over 150 years in South America, the ability to assess the status of these species is still compromised by critical knowledge gaps. Based on a review of 185 publications, a comparative synthesis of the biology and ecology was conducted on two commercially important elasmobranchs in South American waters, the yellownose skate Zearaja chilensis and the roughskin skate Dipturus trachyderma; in order to examine and compare their taxonomy, distribution, fisheries, feeding habitats, reproduction, growth and longevity. There has been a marked increase in the number of published studies for both species since 2000, and especially after 2005, although some research topics remain poorly understood. Considering the external morphological similarities of longnose skates, especially when juvenile, and the potential niche overlap in both, depth and latitude it is recommended that reproductive seasonality, connectivity and population structure be assessed to ensure their long-term sustainability. Keywords: conservation biology; fishery; roughskin skate; South America; yellownose skate Introduction Edited by Juan Carlos Salcedo-Reyes & Andrés Felipe Navia Global threats to sharks, skates and rays have been 1. -
Biodiversity of the Patagonia Shelf Draft Report November 1999 the Marine Resources Assessment Group
Biodiversity of the Patagonia Shelf Draft Report November 1999 The Marine Resources Assessment Group (MRAG) Report, 1999 Table of Contents Executive Summary............................................................................................................ 6 General Background ....................................................................................................... 6 Acronyms............................................................................................................................ 8 1. INTRODUCTION ......................................................................................................... 9 Study Scope and Objectives............................................................................................ 9 Background To This Study ......................................................................................... 9 Overall Objective of the Biodiversity of the Patagonia Shelf Study .......................... 9 Overall Study Activities.............................................................................................. 9 The Economic Evaluation Focuses on the Following Activities.............................. 10 Defining Biological Diversity................................................................................... 10 1.1. Prioritized Threats to Biodiversity........................................................................ 11 1.1.1. Overexploitation ............................................................................................ 12 1.1.2. Physical -
ARGENTINA April 2011
ARGENTINA April 2011 This Market Insight is one of an ongoing series of market profiles produced by the Market Intelligence Group [MIG] of the European Travel Commission [ETC]. New market profiles will be added to the series and updated at regular intervals. The members of the MIG comprise the Research Directors of the 35 National Tourist Offices (NTOs) that are members of ETC. The group regularly commissions and publishes market intelligence studies, handbooks on methodologies and best practice, and facilitates the exchange of European tourism statistics on the ‘TourMIS’ web platform. More information on ETC’s programme of market intelligence activities - including links to studies and sources of European tourism statistics - can be found on the organisation’s corporate website: http://www.etc-corporate.org . OVERVIEW • In 2009 the number of outbound tourists from Argentina was 4.9 million. However, the majority of them travelled to neighbouring countries, mostly Brazil and Chile. This fact is reflected by the statistics showing the most common choice for transportation: in 2009 38% of outbound tourists chose air travel and 46% opted for travelling on land. • Total spending by Argentines travelling abroad by air amounted to US$ 2.39 billion in 2009 with an average US $ 89.5 daily expenditure. • Provisional figures for 2010 suggest an increase of 16% in the number of outbound tourist trips by air, as well as a 15% rise in expenditure. • Argentina went through a prolonged economic crisis in 2001-2002, but after 2003, as a result of its political stabilization, the country has been on the track of continuous economic growth, with the exception of a short downturn in 2009. -
Argentina and the Falkland Islands
Argentina and the Falkland Islands Standard Note: SN/IA/5602 Last updated: 27 January 2012 Author: Vaughne Miller Section IADS This Note looks briefly at the government in Argentina under Cristina Fernandez de Kirchner, who has pursued the Argentinean claim to sovereignty of the Falkland Islands as a constitutional mandate. The arguments on the Argentinean and British sides have not changed with a change of government, while recent developments such as changes to the way in which fishing licences are issued and oil exploration around the Falklands, are continuing to affect bilateral relations. The Falklands/Malvinas are regularly debated at the United Nations Committee on Decolonization, at which a resolution is adopted calling on the two sides to talk about the issues. Successive UK governments have insisted that it is the Falkland Islanders themselves who have the right to decide on their destiny. Argentina maintains that the UN principle of the right to self-determination does not apply in the case of the Falklanders. Both the UK and Argentina accuse each other of colonialism. See Standard Note 6201 for information on the defence of the Falklands. Contents 1 The Argentinean Government 2 1.1 Néstor Kirchner Government 2 1.2 Cristina Fernández de Kirchner Government 4 2 UK relations with Argentina 6 3 The Falkland Islands 8 3.1 UK Government’s position on Falklands sovereignty 8 3.2 Argentinean views on sovereignty of the Malvinas 10 This information is provided to Members of Parliament in support of their parliamentary duties and is not intended to address the specific circumstances of any particular individual. -
Marine Ecology Progress Series 530:223
The following supplement accompanies the article Economic incentives and overfishing: a bioeconomic vulnerability index William W. L. Cheung*, U. Rashid Sumaila *Corresponding author: [email protected] Marine Ecology Progress Series 530: 223–232 (2015) Supplement Table S1. Country level discount rate used in the analysis Country/Territory Discount rate (%) Albania 13.4 Algeria 8.0 Amer Samoa 11.9 Andaman Is 10.0 Angola 35.0 Anguilla 10.0 Antigua Barb 10.9 Argentina 8.6 Aruba 11.3 Ascension Is 10.0 Australia 6.5 Azores Is 7.0 Bahamas 5.3 Bahrain 8.1 Baker Howland Is 7.0 Bangladesh 15.1 Barbados 9.7 Belgium 3.8 Belize 14.3 Benin 10.0 Bermuda 7.0 Bosnia Herzg 10.0 Bouvet Is 7.0 Br Ind Oc Tr 7.0 Br Virgin Is 10.0 Brazil 50.0 Brunei Darsm 10.0 Country/Territory Discount rate (%) Bulgaria 9.2 Cambodia 16.9 Cameroon 16.0 Canada 8.0 Canary Is 7.0 Cape Verde 12.3 Cayman Is 7.0 Channel Is 7.0 Chile 7.8 China Main 5.9 Christmas I. 10.0 Clipperton Is 7.0 Cocos Is 10.0 Colombia 14.3 Comoros 10.8 Congo Dem Rep 16.0 Congo Rep 16.0 Cook Is. 10.0 Costa Rica 19.9 Cote d'Ivoire 10.0 Croatia 10.0 Crozet Is 7.0 Cuba 10.0 Cyprus 6.8 Denmark 7.0 Desventuradas Is 10.0 Djibouti 11.2 Dominica 9.5 Dominican Rp 19.8 East Timor 10.0 Easter Is 10.0 Ecuador 9.4 Egypt 12.8 El Salvador 10.0 Eq Guinea 16.0 Eritrea 10.0 Estonia 10.0 Faeroe Is 7.0 Falkland Is 7.0 Fiji 6.2 Finland 7.0 Fr Guiana 10.0 Fr Moz Ch Is 10.0 Country/Territory Discount rate (%) Fr Polynesia 10.0 France 4.0 Gabon 16.0 Galapagos Is 10.0 Gambia 30.9 Gaza Strip 10.0 Georgia 20.3 Germany (Baltic) 7.0 Germany (North Sea) 7.0 Ghana 10.0 Gibraltar 7.0 Greece 7.0 Greenland 7.0 Grenada 9.9 Guadeloupe 10.0 Guam 7.0 Guatemala 12.9 Guinea 10.0 GuineaBissau 10.0 Guyana 14.6 Haiti 43.8 Heard Is 7.0 Honduras 17.6 Hong Kong 7.4 Iceland 17.3 India 11.7 Indonesia 16.0 Iran 15.0 Iraq 14.1 Ireland 2.7 Isle of Man 7.0 Israel 6.9 Italy 5.8 Jamaica 17.5 Jan Mayen 7.0 Japan (Pacific Coast) 10.0 Japan (Sea of Japan) 10.0 Jarvis Is 10.0 Johnston I.