Sónia Cotrim Marques

Sónia Cotrim Marques
Instituto Português do Mar e da Atmosfera | IPMA · Divisão de Oceonografia Ambiental e Bioprospeção

Post-Doc Research

About

59
Publications
12,638
Reads
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1,051
Citations
Citations since 2017
22 Research Items
595 Citations
2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120
Additional affiliations
January 2010 - December 2012
University of Coimbra
Position
  • Universidade de Coimbra • Centre for Functional Ecology

Publications

Publications (59)
Article
Full-text available
Anthropogenic CO2 emissions have led to the warming and acidification of the oceans. Although, there is a growing of evidence showing that simultaneous occurrence of ocean acidification and ocean warming are threats to marine organisms, information on their combined effect on coastal shrimp species remains scarce. The purpose of this study was to e...
Article
Full-text available
The Live Fluorescently Labelled Algae (LFLA) technique has been used numerous times to estimate microzooplankton herbivory. Yet, it is unknown how mixoplankton (i.e., single-cell organisms that can combine phototrophy and phagotrophy) affect the outcome of this technique. Hence, we conducted a broad-spectrum assessment of the strengths and weakness...
Article
Full-text available
Phenomena such as global warming, rising sea temperatures and extreme weather and climate anomalies such as floods and heat waves have been shown to alter absolute salinity values. While affecting marine and estuarine population dynamics, these scenarios may also favour the invasion and proliferation of opportunistic and potentially harmful species...
Article
Studies on surf zone zooplankton biodiversity and population dynamics processes remain scarce in comparison to other coastal areas. In this work, we analysed the seasonal (winter/summer) variability of the surf zone zooplankton assemblage structure and copepod biomass of distinct areas with different substrate types (sandy beaches/rocky shores) at...
Article
The influence of multiscale processes such as climate, hydrodynamic and biological alterations on two coastal and estuarine gelatinous zooplankton groups were assessed under a warming decade from 2003 to 2012. At three sampling stations on the Mondego estuary, zooplankton and water samples were collected, evaluating the abundance of chaetognaths an...
Article
Full-text available
Interest on jellyfish research has significantly increased over the last two decades, mostly driven by the potential benefits of their high‐end uses. Recent efforts have been put forward towards the commercial use of scyphozoan jellyfish, although the pipeline leading to their full exploitation is still at an early stage of development. Indeed, fur...
Article
Sewage is among the largest components of coastal pollution, showing a variable scale and size when causing an impact. In this study, temporal and spatial sewage-related gradients were identified using univariate and multivariate methods. Phosphates and nitrogen-based nutrients, except nitrate, were associated to sewage. Abundance and species richn...
Article
Full-text available
Since 2007, the non-indigenous calanoid copepod Pseudodiaptomus marinus Sato, 1913 has been increasingly recorded in numerous European sites, spreading at an unexpectedly fast pace over a short time-span. This species presents specific biological and behavioural traits which make it of particular interest for ecological and applied research topics....
Presentation
In recent years, interest in jellyfish rearing has increased for many purposes, such as scientific research – considering their major impacts on marine ecosystems and for their venom’s properties, and more recently for ornamental aquaculture. Although its crescent value, the maintenance of these delicate organisms requires specific methods and even...
Article
Full-text available
Chitin was extracted from Polybius henslowii, a swimming crab, captured in large quantities throughout the Portuguese coast by purse seine vessels as bycatch. After standard chitin extraction procedures, water-soluble chitosan products were obtained via two different methods: (1) N-acetylation with the addition of acetic anhydride and (2) a reactio...
Conference Paper
Full-text available
The pleustonic hydrozoan Velella velella (Linnaeus, 1758) occurs worldwide in tropical and temperate marine waters. Occasionally they form large blooms that are stranded in masses along hundreds of kilometers of coastline. This situation occurred in March 2018 in Peniche beaches, west of Portugal. Live organisms (4-6 cm) were collected near Berleng...
Article
Full-text available
Estuaries are among the most valuable aquatic systems in terms of their services to human welfare. They offer an ideal framework to assess multiscale processes linking climate and food web dynamics through the hydrological cycle. Resolving food web responses to climate change is fundamental to resilience management of these threatened ecosystems un...
Article
The physiological and nutritional condition of fish larvae affect their survival and thus, the success of estuaries as nursery areas. Fatty acid composition has been useful to determine fish nutritional condition, as well as trophic relationships in marine organisms. The present study analyses the fatty acid (FA) composition of fish larvae during s...
Chapter
Full-text available
This chapter aimed to identify the role of natural environmental factors in the distribution of the congeneric species Acartia tonsa and Acartia clausi in the Mondego estuary, central Iberian Peninsula, over the period 2003-2012. A. tonsa was the dominant species during the study period, representing 84% of the total abundance of Acartia. The distr...
Article
Full-text available
Relationships between species and their environment are a key component to understand ecological communities. Usually, this kind of data are repeated over time or space for communities and their environment, which leads to a sequence of pairs of ecological tables, i.e. multi-way matrices. This work proposes a new method which is a combined approach...
Conference Paper
This work presents an autonomous system for marine integrated physical-chemical and biological monitoring — the MarinEye system. It comprises a set of sensors providing diverse and relevant information for oceanic environment characterization and marine biology studies. It is constituted by a physical-chemical water properties sensor suite, a water...
Article
Full-text available
Background: A fundamental step in characterizing marine planktonic communities is the knowledge of the variability of their biomass and production, in order to assess the flux of matter through the food web and estimate the fate of this energy. The zooplankton assemblage's dynamics of the Mondego estuary (Portugal) have been extensively characteri...
Article
Full-text available
Estuarine and coastal ecosystems are strongly affected by variations in climate through alterations in freshwater input, which result in changes in water temperature and salinity. Predicting the response of estuarine systems to future scenarios of climate change requires knowledge of the present relationships between estuarine and coastal communiti...
Article
Full-text available
Although growth in adult copepods is frequently assumed to be similar to juvenile growth, some evidence have pointed out that under in situ conditions, it can be lower, with, as a consequence, underestimation of secondary production. In addition, under field conditions, juvenile growth in copepods is close to maximum rates estimated at food-saturat...
Article
The European lobster, Homarus gammarus, is considered one of the most important fishery resources in Europe, with high economic value and very appreciated seafood. However, in the last century their catch has been decreasing dramatically. Several restocking programs have been developed, but their larval development is quite demanding, hindering its...
Article
Several recent studies have revealed the impacts of the climate variability in the dynamic of zooplankton in different estuarine ecosystems, imposing a need for more and continued global studies. Presently, there is a growing appreciation in international collaborations to compare and contrast estuarine ecosystem response to climate variability acr...
Article
Full-text available
Climate change will likely lead to an increase in temperature and an occurrence of extreme droughts and floods in the 21st century. In particular, coastal and estuarine systems are highly sensitive to climate extremes and changing precipitation patterns, and thus offer invaluable scenarios for the evaluation of climate variability. Zooplankton asse...
Article
Full-text available
The mercury bioaccumulation and population dynamics of the mysid Mesopodopsis slabberi was assessed along a mercury gradient in Ria de Aveiro (Portugal). M. slabberi is one of the most important mysid species in European temperate coastal shallow waters playing a key ecological role. Nevertheless, no references were found concerning the possible co...
Conference Paper
Full-text available
Two different chitosan polymers were obtained from chitin extracted from the crab Polybius henslowii through different methods: first, water-soluble chitosan (WSC) through N-acetylation with addition of acetic anhydride and second, low molecular-weight water-soluble chitosan (LWSC) by the use of hydrogen peroxide. WSC and LWSC polymers were charact...
Article
This study provides a comprehensive examination of the life cycle dynamics of the brown shrimp (Crangon crangon L.) in the Mondego estuary, Portugal, a habitat located near the southern edge of the range of this species in European waters. The phenology of all life stages was documented (from the occurrence of ovigerous females, developing embryos,...
Article
Vertical distribution and migration pattern of ichthyoplankton assemblage in the Mondego estuary were investigated in relation to diel and tidal cycle. Summer and winter communities were sampled, at surface and bottom, over a diel cycle during spring and neap tides at a fixed station at the mouth of the estuary. Summer presented higher larvae densi...
Article
Full-text available
Influence of season, lunar-tide cycle and tide on ichthyoplankton at the interface between Mondego estuary and the adjacent coast and on up-estuary transport was evaluated. Seasonal samples were collected at a fixed station at the mouth of the estuary during diel cycles, at neap and spring tides. Additionally, four sampling stations along the estua...
Article
Full-text available
In this study, we investigated the effects of an extreme climate event (severe drought) on copepod ecology. Monthly sampling events were conducted from 2005 to 2007, at 5 stations, using 63- and 335-μm-mesh nets in Mondego Estuary, Portugal. The Calanoida were represented mainly by Acartia clausi, Temora longicornis, and A. tonsa and the Cyclopoida...
Article
Full-text available
Seasonal and temporal variations in population dynamics of the Carcinus maenas (L.): the effect of an extreme drought event in a southern European estuary—CORRIGENDUM - Volume 91 Issue 8 - Filipa Bessa, Alexandra Baeta, Filipe Martinho, Sónia Marques, Miguel Ângelo Pardal
Article
Full-text available
This study investigated copepod assemblages' distribution patterns and determined the main hydrological and physical factors structuring it at different temporal scales. Copepod and hydrographic surveys were conducted seasonally during a one-year period, at a fixed station in Mondego estuary. Hourly samples were collected, during a diel cycle from...
Article
Full-text available
Recent variations in the precipitation regime across southern Europe have led to changes in river fluxes and salinity gradients affecting biological communities in most rivers and estuaries. A sampling programme was developed in the Mondego estuary, Portugal, from January 2003 to December 2008 at five distinct sampling stations to evaluate spatial,...
Article
Full-text available
Zooplankton distribution in the Berlengas Natural Reserve (Portugal) was studied over a period of one year (February 2006 to February 2007). Monthly sampling was performed at 6 stations, differentiated according to depth and distance to the coastline. The aim of this study was to investigate the overall zooplankton variability through its different...
Article
Full-text available
Seasonal and spatial variations in the composition and relative contribution of the harpacticoid species in the Mondego estuary (western Portugal) were studied based on a monthly sampling along a salinity gradient. These benthic harpacticoids were collected in the water column by means of a 63-µm plankton net. The influence of hydrological paramete...
Article
Full-text available
The temporal and spatial variability in population dynamics of the European crab Carcinus maenas (L.) was studied between June 2003 and September 2007 in the Mondego estuary. An extreme climate event (extreme drought) occurred in 2004 and 2005 with a low freshwater flow discharge into the estuary, leading to an increase in salinity. Juveniles' recr...
Article
Full-text available
The variation of small zooplankton abundance and distribution patterns was studied in a shallow temperate southern European estuary (Mondego estuary, Portugal). Monthly plankton sampling was carried out from February 2005 to July 2006 at five stations, in both arms of the estuary - north and south, with subsurface 63 μm mesh tows. Concomitant hydro...
Article
Full-text available
In order to study the influence of physical forcing at different temporal scales, zooplankton was sampled at a fixed station located at the mouth of Mondego estuary (southern Europe). Samples were collected during diel cycles, over neap and spring tides. Zooplankton abundance and diversity were estimated for each sampling period. Holoplankton were...
Article
The influence of climate variability on the diversity and distribution patterns of zooplankton communities was investigated in the Mondego estuary (Portugal) during four consecutive years characterized by highly variable precipitation and, consequently, river flow regime. Monthly samples were collected along the estuarine gradient at five sampling...
Article
Full-text available
A novel strategy that allows to predict the responses of zooplanktonic species to environmental conditions in an estuarine temperate ecosystem (Mondego estuary) is presented. It uses 12 indicator species from the zooplanktonic Mondego database (102 species) that are common members of the different habitats, characterized by their specific hydrologi...
Article
Full-text available
The spatial, temporal and tidal dynamics of the zooplanktonic community of the Mondego estuary was studied from January 2003 to 2004. The monthly sampling procedure included the measurement of hydrological parameters (salinity, temperature, Secchi transparency, chlorophyll a and nutrients) and the collection of zooplankton with a Bongo net of 335 μ...
Article
As a consequence of climate change, flood and drought events are increasing in frequency throughout the world. Nevertheless, knowledge of the effects on zooplankton estuarine communities is still scarce. The present study aimed to examine zooplankton ecology over two contrasting environmental conditions: regular years and extreme dry years, in a sh...
Article
Full-text available
Zooplankton and ichthyoplankton assemblages were studied from January 2003 to June 2004 in a temperate shallow estuary (Mondego estuary, Portugal). Monthly sampling was performed at 5 stations at high and low tide, with sub-surface tows with 335 and 500 µm mesh Bongo nets. Analysis of variance (ANOVA) showed a significant effect (p<0.05) of the mes...
Article
Full-text available
The purpose of this work was to review the dynamics of the Acartia species in the Mondego estuary (a temperate North-Atlantic shallow estuary in Western Portugal) in a genus integrated perspective. The Acartia genus is represented in the system by the species Acartia clausi and Acartia tonsa; the samples were taken between July 1999 and June 2000,...
Article
Full-text available
The purpose of this work was to review the dynamics of the Acartia species in the Mondego estuary (a temperate North-Atlantic shallow estuary in Western Portugal) in a genus integrated perspective. The Acartia genus is represented in the system by the species Acartia clausi and Acartia tonsa; the samples were taken between July 1999 and June 2000,...

Questions

Questions (2)
Question
I have 5 sampling sites (throughout the estuary, a small one), and a 8 yrs time-series.
My question concerns the effects of seasons vs year-to-year variability.
Can I apply a PCA in a matrix 8 yrs (annual average of the 5 sites) x 23 plankton indicators ( were selected based on functional groups, dominance of the taxa sampled, appearance of the seasonal peak, representativeness for each sampling site). For example :
Appendicularia summer
Chaetognatha aut
Nauplii cirripedia summer and spring
Nauplii cirripedia spring
Marine cladocerans autumn and summer

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Projects

Projects (3)
Project
MarinEye will develop an innovative multitrophic autonomous system with adequate sensors and sufficient autonomy and robustness to improve integrated physical-chemical and biological monitoring of the marine environment. MarinEye is expected to provide information that could not be obtained by satellites or aircrafts, by increasing the monitoring capacities carried out by vessels, AUVs, oceanic and coastal platforms (fixed or mobile), and observatories. Furthermore this system will contribute to the assessment of the national marine environmental status of coastal waters and remote oceanic areas (e.g. deep sea ecosystems). When operational the multitrophic autonomous system will be installed and used in several marine observatories, namely the Cascais Watch station (in a coastal upwelling area, http://www.st.nmfs.noaa.gov/plankton/time-series/site__iberian-portugal-cascais/), the Berlengas Watch station (in a marine protected area), in the platform buoys of the RAIA oceanic observatory (offshore the North West Iberian Atlantic margin). Once operational, data collected by the MarinEye system will be disseminated through the National Information Sharing Environment (NISE) contributing to the Integrated Maritime Surveillance and Monitoring (NIPIM@R).