Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Building local support for a coastal protected area : Collaborative governance in the Bigi Pan Multiple Use Management Area of Suriname
    Djosetro, Marijem ; Behagel, Jelle Hendrik - \ 2020
    Marine Policy 112 (2020). - ISSN 0308-597X
    Bigi Pan MUMA - Collaborative governance - Mangrove - Marine protected area - Multiple use management area

    Bigi Pan Multiple Use Management Area (MUMA, IUCN category VI) is a coastal protected area situated in the Northwest Suriname between the Atlantic Ocean and the Nickerie River. The area is characterized by wetlands with mangrove forests, contains high biodiversity, and is of socio-economic, ecological and ornithological importance. However, the MUMA is overexploited and subject to competition between various income generating activities, including uncontrolled fisheries and unregulated tourism combined. Insufficient capacity of government agencies for enforcement and policy implementation and lack of communication between relevant government agencies has further contributed to unsustainable practices that diverge from ‘wise use’ and conservation. This article analyses the case of Bigi Pan MUMA from the perspective of collaborative governance. It explores how local communities address the conflicts, user pressure, and implementation gaps that lead to unsustainable practices in Bigi Pan MUMA. In addition, it explores the potential of stakeholder engagement with the local community and key user groups to provide meaningful and regular opportunities to actively participate in decision-making structures and to deliberate on management actions. The conclusion finally presents arguments on how collaborative governance can become more effective by including local communities and by strengthening local decision-making and management.

    Potential of Integrated Mangrove - Shrimp Farming in Bangladesh
    Bosma, Roel - \ 2019
    aquaculture - shrimp - Bangladesh - Mangrove
    Invited key-note speaker for the Trade Delegation at the Bangladesh Embassy, The Hague
    Effect of three types of liquid compost combined with Avicennia marina leaves on growth and survival of tiger prawns (Penaeus monodon)
    Ariyati, Restiana Wisnu ; Rejeki, Sri ; Widowati, Lestari L. ; Elfitasari, Tita ; Bosma, Roel H. - \ 2019
    International Aquatic Research 11 (2019)4. - ISSN 2008-4935 - p. 311 - 321.
    Aquaculture - Fertilizer - LEISA - Mangrove - Shrimp

    The sustainability of prawn farming in brackish water ponds is controversial because of low yields and a history of mangrove clearing. Low yields are due largely to insufficient preparation of pond bottoms. Mangrove trees are often planted on pond bunds as window dressing. This study examines the effect of three types of liquid compost from vegetable, fruit, and both vegetable and fruit in tanks to which whole or chopped Avicennia marina leaves have been added to mimic local pond conditions. In a split-plot design, 28 square tanks were each stocked with one hundred 15-day-old post-larvae tiger prawns (Penaeus monodon). Four tanks were used as controls and 24 were assigned to the treatments, 12 with whole and 12 with chopped leaves. Of the treatment tanks, 4 received liquid compost from vegetable, 4 received fruit, and 4 received mixed vegetable and fruit. Shrimp were weighed at the start, halfway point, and the end of the 50-day trial, and fed at 5% of the estimated total weight; survival was counted at the end. The survival rates of treatments and controls (65–76%) were not significantly different. Shrimp in water with vegetable compost grew significantly faster (2.7% day−1) than in both treatments with fruit (2.5% day−1), while all treatments were associated with significantly faster growth than were the controls (2.0% day−1). The lower growth rate of shrimp fed fruit compost may have been due to dinoflagellates, which are known to negatively affect shrimp. Shrimp in tanks with chopped mangrove leaves grew slightly better than shrimp in tanks with whole mangrove leaves.

    A brief history of mangrove distribution and coastline development in soc Trang Province, Vietnam, to address coastal management strategies
    Joffre, Olivier M. ; Schmitt, Klaus - \ 2019
    In: Water and Power Springer International Publishing (Advances in Global Change Research ) - ISBN 9783319903996 - p. 67 - 85.
    Coastal erosion - Coastline change - Land cover change - Mangrove - Mangrove rehabilitation - Mekong delta - Shrimp farming - Vietnam

    Coastlines and their mangrove forests change over time under the influence of human and natural drivers. To design appropriate mangrove reforestation interventions, we use the Vietnamese province of Soc Trang, at the Bassac River mouth, as a case study to understand coastal zone changes. Our research, covering 1904–2007, is based on historical material from the French colonial period (topographic maps, reports), satellite images, and onsite interviews with key informants. Since 1904, the coastline and mangrove forests have changed significantly, including a sequence of deforestation and reforestation in some areas, changes in tree species composition, transformation of the coastline landscape from sand dunes to mangrove forests, and large-scale accretion at the river mouth. The natural processes of accretion and erosion have changed over time for the same area in Vin Chau District, thus influencing mangrove cover and reforestation programs. Damage to the mangrove forest during the Vietnam War due to defoliants was localised to specific areas along the coastline, and damaged trees were later cut for local use. Deforestation for fuelwood, expansion of farming areas, access rights, and usage of the mud flats during the French colonial period, followed by reforestation that modified the original species composition, are the main drivers of coastline changes. These drivers influence the coastline and mangrove cover dynamics in different ways. The knowledge of historical processes and coastal dynamics is important in developing climate change adaptation strategies, which combine such site-specific measures as effective mangrove protection and management, mangrove rehabilitation, and engineering measures.

    Unravelling the moons : Review of the genera paratetilla and cinachyrella in the indo-pacific (demospongiae, tetractinellida, tetillidae)
    Santodomingo, Nadiezhda ; Becking, Leontine E. - \ 2018
    ZooKeys 2018 (2018)791. - ISSN 1313-2989 - p. 1 - 46.
    Anchialine systems - Coral reef - Mangrove - Marine lake - Porifera

    Paratetilla bacca (Selenka, 1867) and Cinachyrella australiensis (Carter, 1886) occur in a broad range of marine environments and are allegedly widely distributed species in the Indo-Pacific. We coin the term ‘moon sponges’ for these species as they are spherical in shape with numerous porocalices resembling the lunar surface. Both species have a complex taxonomic history with high synonymization, in particular by Burton (1934, 1959). An examination of the junior synonyms proposed by Burton (1934, 1959) was conducted to establish the validity of the names. More than 230 specimens from Naturalis Biodiversity Center were reviewed that belong to the genera Paratetilla and Cinachyrella from marine lakes, coral reefs, and mangroves in Indonesia. The aim of the current study was to untangle the taxonomic history, describe the collection of moon sponges from Indonesia, and develop a key. We extensively reviewed the taxonomic literature as well as holotypes of most of the species synonymized by Burton. The taxonomic history of Paratetilla spp. and Cinachyrella australiensis showed some cases of misinterpreted synonyms, misidentifications, and lack of detailed descriptions for some species. The conclusion of the revision is that there are three valid species of Paratetilla (P. arcifera, P. bacca, and P. corrugata) and four valid species of Cinachyrella (C. australiensis, C. porosa, C. paterifera, and C. schulzei) in Indonesia. This is furthermore corroborated by molecular work from previous studies. Paratetilla arcifera Wilson 1925 and C. porosa (Lendenfeld, 1888) are resurrected. A full review of taxonomic history is provided as well as a key for identification of moon sponges from Indonesia. All species are sympatric and we expect that there are undescribed species remaining within the Tetillidae from the Indo-Pacific. Our current review provides the framework from which to describe new species in the genera Paratetilla and Cinachyrella from the Indo-Pacific.

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