Pere Oliver

Pere Oliver
University of the Balearic Islands | UIB · Department of Biology

Investigador Consejero Tecnico

About

52
Publications
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933
Citations
Additional affiliations
October 1973 - present
Instituto Español de Oceanografia
Position
  • Resercher

Publications

Publications (52)
Book
Full-text available
Millorar l’estat de conservació de la mar Balear és un objectiu compartit per la nostra societat. Per això és necessari fer un diagnòstic idel seu estat i de la seva evolució al llarg del temps. L’informe mar balear és fruit d’aquesta necessitat. Aquesta primera versió inclou més de cent indicadors sobre l'estat del medi marí de les Illes Balears,...
Chapter
Full-text available
Mejorar el estado de conservación del mar Balear es un objetivo compartido por nuestra sociedad. Para ello, es necesario realizar un diagnóstico sobre su estado y su evolución en el tiempo. El informe mar balear es fruto de esta necesidad. Esta primera versión cuenta con más de cien indicadores sobre el estado del medio marino de las Islas Baleare...
Article
Full-text available
Long fisheries time series allow the review of baselines and inform our knowledge of past events that have conditioned the recent history of the stocks. In this study, we investigated trends in fisheries landings data for the most representative Atlantic and Mediterranean demersal fisheries off the Spanish Iberian Peninsula and the Balearic Islands...
Article
Full-text available
The serious overfishing of most Mediterranean stocks demands urgent reforms of the management measures aiming to guarantee the sustainability of resources, notably when compared with the improvement observed in other European areas. The new EU Common Fisheries Policy (CFP) constitutes an excellent opportunity to introduce the changes needed for suc...
Article
Nearly 75% of European fishing vessels belongs to small-scale fisheries (SSF). However, SSF have received little attention compared to industrial fisheries. In the Mediterranean Sea, where the SSF traditionally had a high socio-economic relevance, there is a widespread interest in securing its sustainable exploitation and viability. Here we analyze...
Technical Report
Full-text available
The Myfish project aimed to provide science on the challenges of Maximum Sustainable Yield (MSY) management that was both high level and highly relevant to the managers, industry representatives, NGOs and scientists who would make use of it. To ensure this, the project was designed to be inclusive all the way from the proposal writing phase to the...
Conference Paper
Full-text available
We developed for the first time the commercial fishing catches reconstruction of the Balearic Islands (Western Mediterranean) between 1950 and 2010, by adding non-reported components, including unreported landings and discards, to the official reported landing data. To back-estimate historical unreported landings and discards, collaboration and inf...
Article
Full-text available
For effective fisheries management to be able to act, realistic fisheries removal data are needed, so as to assess exploitation levels and the impact of fisheries on the ecosystem. Unfortunately, official statistics underestimate catches in most countries and regions. In the Balearic Islands (Western Mediterranean), where artisanal fishing and indu...
Article
The multidisciplinary IDEADOS project funded by the Spanish Government was developed between 2009 and 2012 aiming to determine the relationships between environmental conditions and the nekto-benthic slope communities in two areas of the western Mediterranean, north and south of the Balearic Islands, with different geomorphologic and hydrodynamic c...
Article
Full-text available
The multidisciplinary IDEADOS project funded by the Spanish Government was developed between 2009 and 2012 aiming to determine the relationships between environmental conditions and the nekto-benthic slope communities in two areas of the western Mediterranean, north and south of the Balearic Islands, with different geomorphologic and hydrodynamic c...
Article
Full-text available
Article
Full-text available
In 1980 and 1995, the European hake (Merluccius merluccius) population off the Balearic Islands (northwestern Mediterranean) underwent changes at both the individual level and the population level. There was a sharp decrease in abundance that coincided with a change in the seasonal catch-per-unit-effort pattern in 1980. A new population scenario em...
Article
Full-text available
This study evaluates the link between the recruitment process of European hake (Merluccius merluccius L.) of the Balearic Islands (western Mediterranean) and the environmental and physiological conditions. Spatio-temporal variation of abundance and condition of fish were evaluated at two locations each with different oceanographic conditions, one i...
Article
The aim of the present paper is to study the relationships between some climatic indices and parental stock, recruitment and accessibility to trawl fishery of hake (Merluccius merluccius) and red shrimp (Aristeus antennatus) off Balearic Islands (western Mediterranean). Available annual catch per unit effort, recruitment and spawning stock biomass...
Article
Full-text available
SUMMARY - The present manuscript is an updated edition of previous reports about Mediterranean Fisheries included in the CIHEAM Annual Reports about Development and Agri-food Policies in the Mediterranean region. Based on available statistics (FAO, Eurostat, OCDE) and other information sources (e.g. GFCM reports), the report is a concise aggregated...
Article
The evolution of Drosophila subobscura mitochondrial DNA has been studied in experimental populations, founded with flies from a natural population from Calvià (Majorca, Balearic Islands, Spain). This population, like others founded in Europe, is characterized by the presence of 2 very common (>95%) mitochondrial haplotypes (named I and II) and rar...
Article
Full-text available
Mitochondrial DNA restriction site analyses on natural populations of Drosophila subobscura have proved the existence of two common, coexisting haplotypes (I and II), as well as a set of less frequent ones derived from them. To explain this distribution, experiments to date point practically to all possible genetic mechanisms being involved in the...
Article
The mating pattern and female fertility on the two main mitochondrial DNA haplotypes (I and II) of Drosophila subobscura were studied, in an attempt to find possible differences between them in relation to sexual selection or isolation that could explain the populational dynamics and the co-existence of these two strains in nature. The mating patte...
Article
Full-text available
The association between mtDNA haplotypes and chromosomal arrangements in a natural population of Drosophila subobscura from Calvia (Balearic Islands, Spain) was studied in order to search for linkage disequilibria, in an attempt to explain the populational dynamics of the mtDNA haplotypes of this species in nature. The presence of Wolbachia was not...
Article
Full-text available
Existing methods, their data needs (appropriate quality, coverage and mainly their availability) and expected outputs (effort-based control system in the context of the Precautionary Approach as management objective) are revised to find the most suitable method for establishing a harmonised assessment methodology in the Mediterranean. Considering t...
Technical Report
Full-text available
This CD-Rom has been developed for the Advanced Course on "Modelling fisheries management strategies in the Mediterranean", that was held in Fuengirola (Spain) from 18-22 of September 2000. This course was jointly organized by the International Centre for Mediterranean Agronomic Studies (CIHEAM), through the Mediterranean Agronomic Institute of Zar...
Article
Full-text available
~~~ ~~~ ~~~ ~ ~~ ~ SUMMARY - A methodology of Multispecies Virtual Population Analysis (MSVPA) for the Mediterranean fisheries has been developed. As an example, the impact of hake (Merluccius merluccius) predation on anchovy (Engraulis encrasicolus), two of the most important commercial species in north-western Mediterranean fisheries, has been an...
Article
Full-text available
The bio-economic model "Heures" is a first attempt to develop a simulation procedure to understand the Northwestern Mediterranean fisheries, to evaluate management strategies and to analyze the feasibility of implementing an adaptative management. The model is built on the interaction among three boxes simulating the dynamics of each of the basic a...
Article
Full-text available
The European hake (Merluccius merluccius, Linnaeus 1758) is an economically important species in the western Mediterranean. It is one of the principal target species of the trawl fishery in this area, worth not less than 125 million ECU per year at dockside prices. Although it has been intensively studied, some information on its biology and its st...
Article
Full-text available
A fluctuation with a pronounced periodicity has been observed in a historical series of landings of hake and red mullet by the trawling fleet of the Balearic Islands. Virtual Population Analysis Was applied, based on monthly samples front 1980 to 1)91, to clarify this phenomenon. as well as to assess these exploited stocks, The analysis shows a sit...
Article
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Synthetic view of the history of fisheries research and its evolution in the Mediterranean
Article
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Four research projects are currently underway in Mediterranean Spain : in Catalonia, Valencia, the Balearic Islands and in Andalucia. The methods being used include three stages : description and identification, data collection, evaluation. Finally, the possibility of applying length cohort analyses relevant to a specific small-scale fisheries mode...
Article
Full-text available
As the hake and the anchovy are the most important species in Northwestern Mediterranean fisheries, one should take into account the predator-prey relationship which exsists between them, in order to manage correctly the fisheries of both species. The importance of Mediterranean hake predation on Northwestern Mediterranean anchovy stock was evaluat...
Article
Full-text available
The Code of Conduct For Responsible Fisheries ( http://www.fao.org/fi/agreem/codecond/codecon.asp) was adopted by the Twenty-eighth Session of the FAO Conference in October 1995 and can be considered as a consequence of the concern related to the sustainability of natural renewable resources expressed at the Earth Summit in Rio de Janeiro in 1992 (...
Article
The idea of going further in the discussion about possibilities of collaboration came as participants were gathered together. CM and others expressed the interest of debating future collaborations. This was seen as an interesting opportunity to discuss what is the problematic of hake and other species in the Mediterranean and how this can be addres...
Article
Résumé en espagnol et en anglais. Publié dans un portefeuille (11,5 x 15,5 cm.). Thèse (de doctorat)--Universitat de les Illes Baleares, 1991. Bibliogr.: f. 287-303. Microfiche (négatif) du ms. dactylographié.
Article
Includes also summary in English. Thesis (doctoral)--Universitat de la Illes Balears, 1991. Includes bibliographical references.

Projects

Projects (3)
Archived project
Project