Investigaciones Biogeogr Ficas En El Parque Natural Del Cabo De Gata N Jar Almer A

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Investigaciones Etnobot Nicas En El Parque Natural De Cabo De Gata Nijar Almer A

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Author : Maria José Martínez Lirola
language : es
Publisher:
Release Date : 1993

Investigaciones Etnobot Nicas En El Parque Natural De Cabo De Gata Nijar Almer A written by Maria José Martínez Lirola and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.

Investigaciones Etnobot Nicas En El Parque Natural De Cabo De Gata Nijar Almer A

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Author :
language : en
Publisher:
Release Date : 1993

Investigaciones Etnobot Nicas En El Parque Natural De Cabo De Gata Nijar Almer A written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.

Incidental Catch Of Vulnerable Species In Mediterranean And Black Sea Fisheries A Review

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Author : Carpentieri, P., Nastasi, A., Sessa, M., Srour, A. (eds.)
language : en
Publisher: Food & Agriculture Org.
Release Date : 2021-06-28

Incidental Catch Of Vulnerable Species In Mediterranean And Black Sea Fisheries A Review written by Carpentieri, P., Nastasi, A., Sessa, M., Srour, A. (eds.) and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-28 with Technology & Engineering categories.

Bycatch – a term widely used to refer to part of the catch unintentionally caught during a fishing operation, in addition to target species, and consisting of the discards and incidental catch of vulnerable species – is considered one of the most important threats to the profitability and sustainability of fisheries, as well as to the conservation of the marine environment and ecosystems. Understanding the bycatch issue and adopting effective measures in order to reduce bycatch rates are essential steps towards minimizing the impacts on vulnerable species and ensuring both a sustainable fisheries sector and healthy seas. In the Mediterranean and the Black Sea, the incidental catch of vulnerable species – namely seabirds, sea turtles, elasmobranchs, marine mammals and macrobenthic invertebrates – represents one of several challenges for the industrial, semi-industrial and small-scale fisheries that coexist in the region, as well as for the diverse and sensitive ecosystems impacted. Typically, data on this issue have been collected in an opportunistic manner and in ways that make comparisons difficult. The annual absolute values of incidental catch of vulnerable species are not available: studies cover only a small portion of the total fishing activity and often present important knowledge gaps for many types of fishing gear, countries and/or subregions, as well as on temporal scales, for example, to establish reliable baselines. The result is that little is known of the scope of the problem, despite incidental catch being a significant pressure on the populations of vulnerable species, as well as a concern for fishers.This regional review is an attempt to compile, in one single document, all available data and historical records on the incidental catch of vulnerable species in the Mediterranean and Black Sea fisheries, obtained from existing literature, databases and other grey sources, and collated in a standardized and comparable way. The main objective is to provide comprehensive baseline information, earmark the main data gaps, as well as identify the most impacting types of fishing gear by taxonomic group. This work is a reminder of the importance of standardized data collection and the need to have baseline information in order to support decision-making in the identification of appropriate bycatch mitigation techniques, thus enabling analysis of their effectiveness and comparison over time and space, as well as facilitating the implementation of relevant conservation and/or management measures at the national, subregional and regional levels.

Mediterranean Type Ecosystems

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Author : George W. Davis
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Mediterranean Type Ecosystems written by George W. Davis and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Human activities are causing species extinctions at a rate and magnitude rivaling those of past geologic extinction events. Exploring mediterranean-type ecosystems - the Mediterranean Basin, California, Chile, Australia, and South Africa - this volume addresses the question whether biological diversity plays a significant role in the functioning of natural ecosystems, and to what extent that diversity can be reduced without causing system malfunction. Comparative studies in ecosystems that are similar in certain respects, but differ in others, offer considerable scope for gaining new insights into the links between biodiversity and ecosystem functioning.

C C

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Author : Gerry Edwards
language : en
Publisher: Univ of California Press
Release Date : 1983

C C written by Gerry Edwards and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Science categories.

Cat Logo Flor Stico De Navarra

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Author : Mikel Lorda López
language : es
Publisher: Jolube Consultor Botánico y Editor
Release Date : 2013-12-15

Cat Logo Flor Stico De Navarra written by Mikel Lorda López and has been published by Jolube Consultor Botánico y Editor this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-15 with Science categories.

Catálogo florístico de Navarra es la primera obra moderna de su género que cubre el territorio de la Comunidad Foral de Navarra. El catálogo viene estructurado por orden alfabético de familias, y dentro de cada una de ellas, se aplica idéntico criterio al género y a las especies/subespecies. En esta obra se enumeran un total de 3073 taxones de flora vascular, de los que 2796 se consideran propios de la flora navarra actual. De cada uno se da el nombre científico aceptado y sus sinónimos; su estatus de presencia en este territorio; origen y ecología; hábitats de importancia comunitaria en los que se puede encontrar -cuando se trata de un taxon característico-; distribución general, en comarcas geográficas y biogeográficas (regiones Alpina, Atlántica y Mediterránea), en este último caso asignando un índice de frecuencia/abundancia; estatus legal de conservación cuando existe; observaciones de índole taxonómica o nomenclatural, errores de citas, localidades relevantes, presencia en el Catálogo español de especies exóticas invasoras, etc.

Monocots Systematics And Evolution

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Author : Karen L Wilson
language : en
Publisher: CSIRO PUBLISHING
Release Date : 2000-05-19

Monocots Systematics And Evolution written by Karen L Wilson and has been published by CSIRO PUBLISHING this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-05-19 with Science categories.

Monocots: Systematics and Evolution presents leading work from around the world on non-grass monocotyledons and includes reviews and current research into their comparative biology, phylogeny and classification. The papers are based on presentations at the Second International Conference on the Comparative Biology of the Monocotyledons, Monocots II, held in Sydney, Australia in late 1998. Many were subsequently updated or extended to take into account new information. All 72 papers have been peer-reviewed.

Pot Honey

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Author : Patricia Vit
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-01-17

Pot Honey written by Patricia Vit and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-17 with Science categories.

The stingless bees are one of the most diverse, attractive, fascinating, conspicuous and useful of all the insect groups of the tropical world. This is a formidable and contentious claim but I believe it can be backed up. They are fifty times more species rich than the honey bees, the other tribe of highly eusocial bees. They are ubiquitous in the tropics and thrive in tropical cities. In rural areas, they nest in a diversity of sites and are found on the flowers of a broad diversity of crop plants. Their role in natural systems is barely studied but they almost certainly deserve that hallowed title of keystone species. They are popular with the general public and are greatly appreciated in zoos and gardens. The chapters of this book provide abundant further evidence of the ecological and economic importance of stingless bees.

Skeletal Trauma

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Author : Erin H. Kimmerle
language : en
Publisher: CRC Press
Release Date : 2008-02-19

Skeletal Trauma written by Erin H. Kimmerle and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-02-19 with Law categories.

Born out of the need to recover, analyze, and present physical evidence on thousands of individual victims of large-scale human rights violations, multi-national, multi-disciplinary forensic teams developed a sophisticated system for the examination of human remains and set a precedent for future investigations. Codifying this process, Skeletal

Pedodiversity

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Author : Juan José Ibáñez
language : en
Publisher: CRC Press
Release Date : 2013-04-08

Pedodiversity written by Juan José Ibáñez and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-08 with Nature categories.

Soil diversity (pedodiversity) is part of our natural and cultural heritage. The preservation of the pedosphere is essential for the protection of the biosphere and the Earth's systems, the regulation of climate, and for world food security. In this book, reputed international experts discuss the state of the art of pedodiversity analysis-analyzing