Complementarity of fishers' traditional ecological knowledge and conventional science: Contributions to the management of groupers (Epinephelinae) fisheries around Mafia Island, Tanzania

Gaspare, Lydia; Bryceson, Ian; Kulindwa, Kassim

doi:10.1016/j.ocecoaman.2015.06.011

Cited by 38 publications

(28 citation statements)

References 41 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…This congruence reflects the spatial overlap between habitats for small groupers as indicated by UVC data, and fishing grounds currently accessed by fishers (Gaspare & Bryceson 2013; L. Gaspare, I. Bryceson & K. Kulindwa 2015). UVCs target shallow reefs, which is where Kiegeani fishers tend to fish, while Juani fishers occasionally can expand onto offshore reefs.…”

Section: Discussionmentioning

confidence: 82%

Temporal and spatial trends in size, biomass and abundance of groupers (Epinephelinae) in Mafia Island Marine Park: fishers’ perceptions and underwater visual census surveys

Gaspare

Bryceson

Mgaya

2015

Fisheries Management Eco

View full text Add to dashboard Cite

Fishers' perceptions of changes in grouper size and abundance were compared with scientific data collected via underwater visual censuses (UVCs) before (1995) and after (2006 and 2011) the establishment of the Mafia Island Marine Park. Perceptions on changes in the size structure of groupers differed among communities due to differences in fishing capacities. Fishers in one village had mixed perceptions, while in another village the majority (66%) perceived a decline in size, with small groupers dominating the catch. Similarly, UVCs indicated that size structure was dominated by small groupers at all times surveyed. Consistent with fishers' perceptions, UVC indicated that biomass and abundance of groupers declined in both no-take zones (NTZs) and specified-use zones (SUZs) between 1995 and 2006, with no substantial changes between 2006 and 2011. The NTZs had higher density and diversity of grouper species than SUZs, as would be expected from the differences in bottom topography in these two types of areas. The idea that NTZs could increase the biomass and abundance of groupers to benefit fished zones was not found, thus indicating that NTZs are not necessarily the best option for managing reef fisheries.

show abstract

Section: Discussionmentioning

confidence: 82%

Temporal and spatial trends in size, biomass and abundance of groupers (Epinephelinae) in Mafia Island Marine Park: fishers’ perceptions and underwater visual census surveys

Gaspare

Bryceson

Mgaya

2015

Fisheries Management Eco

View full text Add to dashboard Cite

show abstract

“…Fisher experience and knowledge is an important source of information for the study of fisheries complexity and should be taken into account during the design of fisheries management strategies (Johannes et al 2000). Especially when spatiotemporal constraints apply, along with limitations in human resources and funding, fishers' empirical knowledge can provide baseline data that may reveal issues and patterns (Maynou et al 2011), act complementary to (Bevilacqua et al 2016) or even contradict existent scientific data (Gaspare et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Anecdotal information on dolphin-fisheries interactions based on empirical knowledge of fishers in the northeastern Mediterranean Sea

Pardalou¹,

Tsikliras²

2018

Ethics. Sci. Environ. Polit.

View full text Add to dashboard Cite

Anecdotal information provided by local fishers is an invaluable tool in the study of marine mammal−fisheries interactions. This paper summarizes empirical and anecdotal information voluntarily provided by fishers during a survey monitoring the damage to coastal fisheries caused by dolphins. We visited 23 fishing harbours along the northern Aegean Sea coastline and monitored the fishing gear of 113 coastal fishers in order to identify the damage caused by dolphins. While we were monitoring the damage, the fishers voluntarily shared their general views on marine mammals and fisheries interactions, which were recorded and are presented here. The majority of fishers indicated that fishing gear, mesh size, depth and target species were important factors that determine depredation frequency and gear damage, whereas soaking time, time of day and season were not considered crucial. These findings provide useful insight in the study of dolphin−fishery interactions, especially for data-poor areas such as the northeastern Mediterranean Sea. The empirical knowledge of the fishers and their views is also important from an ethical perspective because, historically, dolphins in the Mediterranean had been culled and hunted for bounties for many years; even today, occasional deliberate dolphin killings are still recorded. Such information is required in the design of any management strategy that aims to minimize the conflicts with dolphins, thus preserving the fishers' livelihood.

show abstract

“…Keanekaragaman tinggi dan penyebaran jumlah individu tiap jenis tinggi menyebabkan kestabilan komunitas tinggi dan tekanan ekologinya rendah (Odum, 1971). Menurut Gaspare et al, (2015), kemunculan spesies disuatu perairan dipengaruhi oleh penyebaran, hal ini dikarenakan kebutuhan migrasi untuk memijah, dan untuk mencari makan. Suatu organisme dapat bertahan hidup, tumbuh, dan berkembang biak karena adanya energi yang tersedia dalam makanannya.…”

Section: Hasil 311 Komposisi Tangkapanunclassified

COMMUNITY STRUCTURE OF GROUPER FISH (Serranidae) LANDED IN PEUKAN BADA SUBDISTRICT, ACEH PROVINCE

Astuti¹,

Yonvitner²,

Kamal³

2016

J. Ilmu dan Teknologi Kelautan Tropis

View full text Add to dashboard Cite

Information on important and economic grouper fish (Serranidae family) in Peukan Bada waters, Province of Aceh is very limited. This objecives of this research were to determine spatial and temporal variabilities in species compositionKeywords: Groupers, Peukan Bada, species composition, community structure ABSTRAK Informasi struktur komunitas ikan kerapu (famili Serranidae) di perairan Peukan Bada, Propinsi Aceh masih terbatas, padahal famili ikan ini umumnya bernilai ekonomis tinggi dan secara ekologis sangat penting. Tujuan penelitian ini adalah untuk menelaah komposisi spesies dan struktur komunitas ikan kerapu baik secara spasial maupun temporal yang didaratkan di Peukan Bada, Kabupaten Aceh Besar. Penelitian dilakukan dengan metode survei dari bulan Februari sampai Juni 2015 pada 3 lokasi pendaratan ikan yaitu Ujong Pancu, Lamtengoh, dan Lamteh. Ikan kerapu yang menjadi obyek penelitian adalah yang tertangkap dengan menggunakan alat tangkap pancing. Ikan yang diperoleh dihitung jumlahnya dan diidentifikasi hingga tingkatan spesies. Analisis data berdasarkan informasi taksonomi dan jumlah individu tiap spesies, stuktur komunitas menggunakan indeks keaneragaman ShannonWiener (H'), keseragaman (E), dan dominansi (D). Dari hasil penelitian diperoleh 835 individu, 21 jenis ikan yang termasuk ke dalam 4 genus (Aethaloperca, Cephalopholis, Epinephelus dan Variola). Berdasarkan spesies, Epinephelus fasciatus dan Cephalopholis sonnerati merupakan jumlah spesies yang banyak ditangkap. Berdasarkan struktur komunitas nilai keanekaragaman (H') di Lamtengoh lebih beragam dibandingkan dengan Ujong Pancu dan Lamteh. Total hasil tangkapan antar lokasi pengamatan tidak berbeda nyata (p>0,05), sedangkan antar bulan (waktu pengamatan) berbeda nyata (p<0,05).Variasi keanekaragaman spesies selama lima bulan pengamatan dapat disebabkan oleh perbedaan daerah penangkapan, kondisi lingkungan perairan, dan kondisi oseanografis yang berbeda.

show abstract

Complementarity of fishers' traditional ecological knowledge and conventional science: Contributions to the management of groupers (Epinephelinae) fisheries around Mafia Island, Tanzania

Cited by 38 publications

References 41 publications

Temporal and spatial trends in size, biomass and abundance of groupers (Epinephelinae) in Mafia Island Marine Park: fishers’ perceptions and underwater visual census surveys

Temporal and spatial trends in size, biomass and abundance of groupers (Epinephelinae) in Mafia Island Marine Park: fishers’ perceptions and underwater visual census surveys

Anecdotal information on dolphin-fisheries interactions based on empirical knowledge of fishers in the northeastern Mediterranean Sea

COMMUNITY STRUCTURE OF GROUPER FISH (Serranidae) LANDED IN PEUKAN BADA SUBDISTRICT, ACEH PROVINCE

Contact Info

Product

Resources

About