Farid Dahdouh-Guebas

Farid Dahdouh-Guebas
Université Libre de Bruxelles | ULB · Department of Biology of Organisms (DBO)

PhD Sciences, MSc Human Ecology, MSc Biology

About

297
Publications
172,469
Reads
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15,833
Citations
Citations since 2016
124 Research Items
9984 Citations
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201620172018201920202021202205001,0001,500
201620172018201920202021202205001,0001,500
Additional affiliations
October 1997 - present
Vrije Universiteit Brussel
Position
  • Professor
October 1997 - present
Université Libre de Bruxelles
Position
  • Professor

Publications

Publications (297)
Article
Ethnobiological knowledge is an important part of people's capacity to manage, conserve, and improve the governance of mangrove ecosystems. This paper assesses the ethnobiological importance of mangroves to coastal communities adjacent to seven mangrove forests in Southern and North-western Sri Lanka. 197 households were interviewed, and respondent...
Article
1. Among the several threats to the conservation of mangrove ecosystems in most South Asian countries, shrimp farming is predominant. Since the introduction of shrimp farming in Sri Lanka in the 1980s, mangroves on the island’s north-western coast have been continually cleared to create new shrimp farms, leading to a decline in the social-ecologica...
Article
From 2022 onwards the Post-2020 Global Biodiversity Framework (GBF) of the Convention on Biological Diversity will guide biodiversity conservation actions worldwide, which includes mainstreaming biodiversity into a wide range of activities, sectors and policies. Biodiversity mainstreaming in development cooperation is particularly relevant given th...
Article
We identified the function of mangrove ecosystems that underpin ecosystem services, their responses to extreme weather and climatic events, and their role as crucial social-ecological systems as important paradigms shaping mangrove research now and in times to come. Since themes around functions and connectivity, ecological resilience to extreme ev...
Article
Full-text available
The short- to long-distance dispersal (SDD and LDD) of propagules is critical for the regeneration of mangrove forests. Mark–recapture experiments are considered to be a good tool for assessing such dispersal patterns. However, dense mangrove roots, exposed mudflats, shallow water, etc. often limit the number of recaptured propagules and their impl...
Preprint
Full-text available
Anthropogenic activities threaten global biodiversity and ecosystem services. Yet, area-based conservation efforts typically target biodiversity protection whilst minimising conflict with economic activities, failing to consider ecosystem services. Here we identify priority areas that maximise both the protection of mangrove biodiversity and their...
Article
The sustainable management of complex social-ecological systems (SES) typically requires coordination and collaboration between various groups of stakeholders. Yet, research on collaborative stakeholder networks and their linkages with sustainable mangrove management strategies is lacking in Sri Lanka. This study presents a social network analysis...
Article
Full-text available
In order to achieve collaborative action in nature conservation and natural resources management, stakeholders have to understand and acknowledge other stakeholders’ interests, values, world visions and objectives and they have to overcome the problem of irrational decision-making through innate opposition discourses. In this paper we developed the...
Article
Full-text available
Protecting existing mangrove forests is a priority for global conservation because of the wide range of services that these coastal forests provide to humankind. Despite the recent reduction in global rates of mangrove loss, high historical loss rates mean that there are at least 800,000 ha globally that are potentially suitable for mangrove re-est...
Conference Paper
Full-text available
The Negombo lagoon is one of the coastal lagoons in an urbanized city in the Northwestern province of Sri Lanka. The lagoon is heavily surrounded by human settlements, farms, aquaculture, and hospitals, which exposes it to sewage pollution. Locating and assessing the effluent discharge points into the lagoon is very important to know the ecological...
Article
Tropical small islands are particularly vulnerable to environmental impacts. In the small islands of the Western Indian Ocean (WIO), multiple stressors of environmental and socio-economic change interact and intensify at reduced spatial scales. Actors and institutions need to respond to these changes through responses – reactive or proactive action...
Article
Full-text available
Tropical lagoon ecosystems constituting lagoons with fringe mangroves are continually polluted with effluents from different sources. This study assessed the spatial variation of selected physicochemical parameters (pH, nitrates, phosphates, and conductivity) in water and sediments from the Chilaw lagoon and its fringe mangroves located on the Nort...
Article
Full-text available
Managing a complex social-ecological system requires data about the many social and ecological variables characterizing it and about their interactions. While the selection of research topics has its own, mostly unpredictable dynamics and contingencies, there has been a recent surge of interest regarding the involvement of non-academic stakeholders...
Article
Full-text available
Matang Mangrove Forest Reserve (MMFR) in peninsular Malaysia has been managed for pole and charcoal production from Rhizophora stands with a 30-year rotation cycle since 1902. The aim of this study is to estimate the carbon budget of the MMFR by considering the carbon stock of the forest, evaluated from remote sensing data (Landsat TM and ETM+, JER...
Article
A common strategy to counteract global biodiversity loss is sustainable management of protected areas. However, as protection of nature sometimes conflicts with human livelihoods and involves stakeholders with different interests, conservation conflict is globally on the rise. These conflicts can hamper sustainable development, social equity and ef...
Article
Full-text available
Background Evidence suggests that plants can behave intelligently by exhibiting the ability to learn, make associations between environmental cues, engage in complex decisions about resource acquisition, memorize, and adapt in flexible ways. However, plant intelligence is a disputed concept in the scientific community. Reasons for lack of consensus...
Conference Paper
Full-text available
Mangrove forests provide key ecological processes which support the livelihoods of local communities and beyond, through the provision of a diverse set of ecosystem goods and services (Dahdouh-Guebas et al., 2021). In recent years, mangroves in Northern Sri Lanka have been exposed to increasing anthropogenic stressors that led to their degradation...
Article
Full-text available
This study aimed to assess the heavy metal (HM) profile of the main upland tributaries of three major rivers, the Mahaweli, the Deduru and the Gin Rivers, which are commonly used for urban water supply in Sri Lanka. The HM profiles of arsenic (As), cadmium (Cd), lead (Pb) and mercury (Hg) were investigated by ICP-MS. Land-use classification was per...
Poster
Full-text available
This poster was prepared on an ongoing research aimed at assessing the vegetation structure, and the ecosystem goods and services provided by the Ankobra mangrove system. The specific objectives included documentation of the ecosystem services, local ecological knowledge, and making an inventory of the vegetation stand and regeneration potential th...
Poster
Full-text available
This poster was one part of a bigger research "Bench-Marking the value of mangrove ecosystem goods and services". We aimed at assessing the floral structure of the Ankobra mangrove forest, mainly the natural regeneration capacity of the forest. We goaled at providing baseline information to managers and future researchers of the forest. The informa...
Article
Full-text available
Sea turtles have been exploited at unsustainable rates globally. In Malaysia, their populations have faced serious declines because of diverse anthropogenic stressors including turtle egg consumption. Redang Island, off the northeast coast of Peninsular Malaysia, is an important rookery for green sea turtles (Chelonia mydas) in Southeast Asia. The...
Article
The status and potential degradation of an ecosystem is often difficult to identify, quantify, and characterize. Multiple, concurrent drivers of degradation may interact and have cumulative and confounding effects, making mitigation and rehabilitation actions challenging to achieve. Ecosystem status assessments generally emphasize areal change (gai...
Article
Mangrove ecosystems are distributed worldwide, along tropical and subtropical coastlines. For a long time, mangrove biogeographers have been challenged by the question: why is mangrove distribution restricted to its current latitudinal limits? The Araranguá estuary in Brazil is located ∼75 km beyond the eastern South America mangrove limit. Despite...
Article
Full-text available
The mangrove forests surrounding Douala, Cameroon, have a long history of human impact due to rapid urbanization, resulting in patches of true mangrove forest interspersed with areas dominated by the mangrove-associated Pandanus species. A survey carried out to assess the possible shift in crab fauna composition and dominance between mangrove and P...
Article
Full-text available
The declining mangrove cover worldwide highlights the necessity of understanding the linkages between ecological and socio-economic dimensions of mangrove management. This study analyses the socio-economic aspects of the pole and charcoal production systems at Matang Mangrove Forest Reserve (MMFR), known as the world’s longest managed mangrove fore...
Preprint
Full-text available
Heavy metal (HM) pollution has become a serious threat to coastal aquatic ecosystems. This study, therefore, aimed at assessing the spatial distribution of selected heavy metals/metalloids including Arsenic (As), Cadmium (Cd), Chromium (Cr), Lead (Pb), and Mercury (Hg) in surface sediment (0–15 cm) samples collected across Kalametiya Lagoon in sout...
Article
Full-text available
Contemporary mangrove forest areas took shape historically and their genetic connectivity depends on sea-faring propagules, subsequent settlement, and persistence in suitable environments. Mangrove species world-wide may experience genetic breaks caused by major land barriers or opposing ocean currents influencing their population genetic structure...
Article
Full-text available
Archive records such as maps, journals, books, sketches, cadastre and notarial documents have been underutilised in describing past and present changes in ecological systems, such as mangrove forests. Historical records can be invaluable information sources for baseline establishment, to undertake long-term study on mangrove dynamics and enhance th...
Book
Full-text available
A global review of mangrove forests - extent, condition, protection, ecosystem services, restoration, global mapping, policy, economics, community engagement
Article
Full-text available
Significance Global mangrove deforestation and degradation drive the loss of the associated invertebrate fauna vital to ecosystem services. The functional diversity and resilience of this fauna has not been assessed. We show that even small mangrove patches host functionally diverse faunal assemblages and can act as biodiversity reservoirs. However...
Article
Full-text available
(1,2) In this theoretical study, we apply MesoFON, a field-calibrated individual-based model of mangrove forest dynamics, and its Lotka–Volterra interpretations to address two questions: (a) Do the dynamics of two identical red mangrove species that compete for light resources and avoid inter-specific competition by lateral crown displacement follo...
Article
Full-text available
The present research developed a novel methodological framework to differentiate natural mangrove stands (i.e., original), from stands which were planted and stands naturally established after interaction between planted and non-planted stands (e.g., through pollination, i.e., non-original). Ground-truth and remote sensing data were collected for Z...
Article
Full-text available
• The mangrove horseshoe crab, Carcinoscorpius rotundicauda, has divergent populations between the east and west coasts of Peninsular Malaysia, with the southern coast acting as a land barrier. The actual position of such a genetic break along Peninsular Malaysia as well as the connectivity status of the southernmost C. rotundicauda populations wit...
Article
Assessments of coastal artisanal fisheries are progressively adopting a social-ecological system (SES) approach as an effective means to accumulate knowledge and integrate findings on different aspects of the fisheries. Ostrom’s SES framework was used to guide assessment of interactions between and within the harvesting and supply-chain processes a...
Conference Paper
Full-text available
Amongst the several mangrove forests present in Sri Lanka, those in the Puttalam district have suffered the highest level of degradation arising from human activities, particularly shrimp farming. The occurrence and spread of the White Spot Disease (WSD) on shrimps both in shrimp farms and natural waters of Sri Lanka during 1994-1995 caused the aba...
Article
Full-text available
In the wake of the COVID-19 pandemic, international exchange students and mobility researchers, including ethnobiologists, are an important neglected group within academia. We highlight their challenges within academia and society, and propose solutions towards more academic flexibility, enhanced mobility preparedness, and a better cultural immersi...
Article
Sri Lanka is at the forefront of global mangrove conservation. It is the first country to officially protect all its remaining mangrove forests and has embarked on an ambitious plan to restore 10,000 ha of wetland during the United Nations Decade of Ecosystem Restoration. One incentive for this conservation effort is a recognition, based on researc...
Article
Full-text available
Despite their ecological and economic importance, mangroves have suffered degradation in West-Africa, mostly from anthropogenic activities. To sustainably and successfully manage natural resources in complex social-ecological systems (SES), it is important to take into consideration the divergent viewpoints, values, and knowledge of stakeholders, t...
Article
Full-text available
The Malaysian Mangrove Research Alliance and Network (MyMangrove) was established in recognition of the needs for a collaborative effort to significantly influence the management and conservation of mangrove forests through research and education. MyMangrove brings scientists and researchers together, to join forces in exploration and enhancement o...
Poster
Full-text available
Amongst the several mangrove ecosystems present in Sri Lanka, the mangrove forests in the Puttalam district have suffered the greatest level of degradation arising from human activities, particularly shrimp farming. The occurrence and spread of the White Spot Disease (WSD) on shrimps in both shrimp farms and natural waters of Sri Lanka during 1994-...
Article
Full-text available
For centuries, mangrove forests and adjacent ecosystems have been cast in a negative light due to their (often perceived) ecosystem disservices. We give contemporary examples of how such viewpoints about mangroves continue to be communicated today, with potentially adverse consequences for mangrove conservation and public support. Since public perc...
Article
Full-text available
The dataset contains tree height data collected in 200 man- grove and non-mangrove trees sampled in various sites in Malaysia. Different height measurement methods were per- formed, including visual measurements (stick, thumb rule) and precision field instruments (clinometer, laser rangefinder and altimeter), which were compared against benchmark v...
Chapter
Sustainable use of mangroves is becoming essential given the dependence of local populations on the resources they provide and the global need to ensure maintenance and preferably enhancement of carbon stocks and biodiversity. Advanced planning of resources is an essential component, but this can be reinforced using time-series of satellite sensor...
Article
Full-text available
Mangroves are critical nursery habitats for fish and invertebrates, providing livelihoods for many coastal communities. Despite their importance, there is currently no estimate of the number of fishers engaged in mangrove associated fisheries, nor of the fishing intensity associated with mangroves at a global scale. We address these gaps by develop...
Article
Full-text available
Spatio-temporal changes during the last twelve year period (2006–2017) and their impacts on ecological and socio-economic status of Dondra lagoon, southern coast of Sri Lanka were studied as many lagoons in southern Sri Lanka are being seriously affected due to anthropogenic pressure in the recent past. The changes of Dondra lagoon and its immediat...
Article
Successful mangrove tree regeneration is required to maintain the provision of wood for silviculturally managed mangrove forest areas and to ensure mangrove rehabilitation in disturbed areas. Successful natural regeneration of mangroves after disturbance depends on the dispersal, establishment, early growth and survival of propagules. Focusing on t...
Article
Tree height is a fundamental measurement in forest inventory studies and a critical variable for the assessment of tree biomass, carbon stock and site productivity. However, measuring tree height is often a challenging task and may generate errors. This study provides an accuracy analysis of tree heights measured through different methods ranging f...
Article
Full-text available
While mangroves are increasingly described as social-ecological systems (SESs), performing SES research is so much more than merely documenting local resource utilisation patterns in case studies. The aim of this paper is to review and show how ecological, human and institutional resilience could be understood and fostered in an era of uncertainty,...
Article
Full-text available
A geographically diverse group of 29 ethnobiologists addresses three common themes in response to the COVID-19 global health crisis: impact on local communities, future interactions between researchers and communities, and new (or renewed) conceptual and/or applied research priorities for ethnobiology.
Article
Expansion of rotational timber harvesting of mangroves is set to increase, particularly given greater recognition of their economic, societal and environmental benefits. Generic and standardized procedures for monitoring mangroves are therefore needed to ensure their long‐term sustainable utilisation. Focusing on the Matang Mangrove Forest Reserve...
Article
Full-text available
This paper presents the results of mercury analysis on 786 abiotic (surface sediments) and biotic (plant and animal tissues) samples collected from 10 sites at Matang Mangrove Forest Reserve in Peninsular Malaysia. Sediment samples were collected at the surface level from both river bank and forest understory. Whereas plant tissues obtained from Rh...
Article
Full-text available
Despite their ecological and economic importance, mangroves have suffered degradation in West-Africa, mostly from anthropogenic activities. To sustainably and successfully manage natural resources in complex social-ecological systems (SES), it is important to take into consideration the divergent viewpoints, values, and knowledge of stakeholders, t...
Article
The conservation of mangrove forests has become an important international policy priority in recent decades, and is mirrored by a large increase in research interest. Multiple disciplines now use mangroves as a study system, from molecular biology to social science. The variety of research conducted in mangroves is exemplified by the Mangrove Macr...