Detecting Regime Shifts in the Portuguese Continental Shelf Ecosystem Within the Last Three Decades
Frontiers in Marine Science, 2021 Marine ecosystems are affected by diverse pressures and consequently may undergo significant changes that can be interpreted as regime shifts. In this study we used integrated trend analysis (ITA) that combines multivariate statistics and methodologies ...
Dorota Szalaj +7 more
doaj +1 more source
Scientia Marina, 2013 This study describes changes in abundance and spatial distribution of Atlantic chub mackerel in the Portuguese waters and the Spanish waters of the Gulf of Cadiz using data from acoustic surveys from 1995 to 2010 and data from the fishery since 1958. The
Maria Manuel Martins +4 more
doaj +1 more source
Identification of Sex and Female's Reproductive Stage in Commercial Fish Species through the Quantification of Ribosomal Transcripts in Gonads. [PDF]
PLoS ONE, 2016 The estimation of maturity and sex of fish stocks in European waters is a requirement of the EU Data Collection Framework as part of the policy to improve fisheries management.
Iratxe Rojo-Bartolomé +3 more
doaj +1 more source
Sampling Frame for Mediterranean and Black Sea CFP Monitoring indicators [PDF]
, 2017 The Mediterranean and Black Sea list of stocks to be used for computing the indicators was based on a ranking system approach for which the species having a rank in the first ten positions either in total live weight or total economic values were chosen.
CASEY JOHN +6 more
core +1 more source
Reducing discards in a demersal purse-seine fishery [PDF]
, 2008 Fisheries bycatches and discards constitute a significant problem in many fisheries worldwide. Unlike the pelagic purse-seine, the demersal purse seine usually targets high commercial value demersal species such as sea breams ( e.
Beek +25 more
core +1 more source
Spontaneous melanotic lesions in axillary seabream, Pagellus acarne (Risso) [PDF]
, 2013 In this paper, we describe spontaneous melanotic lesions in the skin of axillary seabream, Pagellus acarne (Risso) from a defined area of the Portuguese Coast, located in Cabo da Roca and Foz do Arelho.
Branco, Sandra, Ramos, Paula, Victor, P
core +1 more source
, 2022 The Atlantic chub mackerel (Scomber colias) is one of the main fishing resources for the fisheries targeting small pelagics in NW African waters. This species is expanding its geographical distribution through higher latitudes in southern European Atlantic waters, and it has become an important fishing resource in Iberian Atlantic waters during the ...
Landa, J. (Jorge) +8 more
openaire +3 more sources
Analysis of polycyclic aromatic hydrocarbons in fish: optimisation and validation of microwave-assisted extraction [PDF]
, 2012 An accurate and sensitive method for determination of 18 polycyclic aromatic hydrocarbons (PAHs) (16 PAHs considered by USEPA as priority pollutants, dibenzo[a,l]pyrene and benzo[j]fluoranthene) in fish samples was validated.
Delerue-Matos, Cristina +6 more
core +1 more source
The Conservation and Management of Tunas and Their Relatives: Setting Life History Research Priorities [PDF]
, 2013 Scombrids (tunas, bonitos, Spanish mackerels and mackerels) support important fisheries in tropical, subtropical and temperate waters around the world, being one of the most economically- and socially-important marine species globally.
DULVY Nicholas +3 more
core +1 more source
Effects of different slipping methods on the mortality of sardine, Sardina pilchardus, after purse-seine capture off the Portuguese Southern coast (Algarve) [PDF]
, 2018 The effects of two different slipping methods on the survival, physical and physiological response of sardines, Sardina pilchardus, captured in a purse-seine fishery were investigated in southern Portugal.
Afonso, Carlos +11 more
core +2 more sources