Modelling the effects of destructive fishing practices on tropical coral reefs

Coral reefs are one of the typical ecosystems in coastal areas that have ecological and economicvalue. There are many cases of coral reef damage in Salah Nama Island caused by natural andhuman factors. Coral reefs damage is mostly caused by human activities such as water pollution,destructive fishing and using of ship anchors. Activity of devotion society aims to provideinformation and skills to fishermen groups in Salah Nama Island about coral transplantationtechniques, as well as conducting coral transplantation activities as one of the efforts to preservethe ecosystem of coral reefs. Based on the description of the problems and objectives of devotionsociety, the activities that have been done are counseling to the partner fishermen abouttransplantation and coral benefits in ecosystem, transplantation practice and coral transplantationmonitoring.

Download Full-text

Development of PCR-Based Technique for Checking Authenticity of Fish Fillets Supplied in Tabriz (Iran)

South Asian Journal of Experimental Biology ◽

10.38150/sajeb.7(2).p64-68 ◽

2018 ◽

Vol 7 (2) ◽

pp. 64-68

Author(s):

N. Ebrahimisadr ◽

A. Motalebi ◽

N. Rokni

Keyword(s):

Consumer Demand ◽

Fish Fillet ◽

Fish Fillets ◽

Scomberomorus Commerson ◽

Frozen Fish ◽

Fishing Practices ◽

Destructive Fishing

Increasing consumer demand for seafood, combined with concern over the health of our oceans, has led to many initiatives aimed at tackling destructive fishing practices and promoting the sustainability of fisheries. So, our aim was to develop a PCR-based technique for checking authenticity of fish fillets supplied in Tabriz (Iran). In present study, about 80 samples of frozen fish fillet with general trademarks including south fillet, excellent fillet and 40 samples of Javelin grunter fillet and Scomberomorus commerson fillets were collected from different chain markets all over the Tabriz. Lot Tolerance Per-cent Defective (LTPD) method was used in collecting the samples which is the low errors. Our research showed a higher rate of misbrandingand misla-beling found in markets with general names (85%) and specified names of Javelin grunter and Scomberomorus commerson (40%). Based on present study, the capacity of shark is high in mislabeling and fraud because of their situation in making steaks and fillet, low price in compared with other spe-cies and religious limitations.

Download Full-text

Destructive Fishing Practices and their Impact on the Marine Ecosystem

10.1007/978-3-319-71064-8_10-1 ◽

2021 ◽

pp. 1-11

Author(s):

Miguel Carneiro ◽

Rogélia Martins

Keyword(s):

Marine Ecosystem ◽

Fishing Practices ◽

Destructive Fishing

Download Full-text

Remote Sensing Tropical Coral Reefs: The View from Above

Annual Review of Marine Science ◽

10.1146/annurev-marine-121916-063249 ◽

2018 ◽

Vol 10 (1) ◽

pp. 149-168 ◽

Cited By ~ 29

Author(s):

Sam J. Purkis

Keyword(s):

Remote Sensing ◽

Coral Reefs ◽

Tropical Coral

Download Full-text

On some destructive fishing methods of Central Travancore of Kerala, India

Journal of Zoological And Bioscience Research ◽

10.24896/jzbr.2017412 ◽

2017 ◽

Vol 4 (1) ◽

pp. 6

Author(s):

Mathews Plamoottil ◽

Than Win

Keyword(s):

Low Level ◽

Fish Traps ◽

High Level ◽

Indigenous Methods ◽

Electric Fishing ◽

Fishing Practices ◽

Destructive Fishing

Many destructive fishing practices are widely used at many sites of Central Travancore of Kerala, India. Most of these are indigenous methods practiced at high level to low level regions. It includes chemical poisons, plant poisons, fish traps, electric fishing etc. All these gears kill the fishes and their fries and fingerlings indiscriminately. It is an endeavor to trace out the details of these harmful fishing methods.

Download Full-text

DAMPAK PENERAPAN SERTIFIKASI PERDAGANGAN IKAN HIAS LAUT PADA KONDISI EKOSISTEM TERUMBU KARANG DAN KONDISI SOSIAL EKONOMI NELAYAN DI KEPULAUAN SERIBU

Jurnal Kebijakan Sosial Ekonomi Kelautan dan Perikanan ◽

10.15578/jksekp.v2i2.9282 ◽

2012 ◽

Vol 2 (2) ◽

pp. 155

Author(s):

Idris Idris ◽

Aar Mardesyawati

Keyword(s):

Coral Reefs ◽

Ornamental Fish ◽

Fishing Ground ◽

Certification Program ◽

Group Discussions ◽

Public Figures ◽

The Social ◽

Non Destructive ◽

Depth Interviews ◽

Destructive Fishing

Sertifikasi ikan hias diterapkan di Kepulauan Seribu pada 2003-2006 oleh MAC berdasarkan kebutuhan pembeli yang menginginkan ikan hias laut yang sehat dan ditangkap dengan cara yang tidak merusak lingkungan. Studi ini bertujuan untuk mengevaluasi dampak penerapan program sertifikasi perdagangan ikan hias laut terhadap kondisi ekosistem terumbu karang dan kondisi sosial ekonomi nelayan di Kepulauan Seribu. Studi ini dilaksanakan di Pulau Panggang, Kepulauan Seribu. Studi ini menggunakan tiga metode, yaitu diskusi kelompok terfokus (FGD), wawancara mendalam, dan kuisioner. Responden dalam studi ini terdiri dari kelompok nelayan dan pengepul ikan hias (belum dan sudah tersertifikasi), tokoh masyarakat, ketua kelompok nelayan, dan kepala keluarga dalam rumah tangga nelayan. Hasil studi menunjukkan bahwa sebanyak 73% responden menyatakan kondisi terumbu karang di lokasitangkap masih dalam kategori baik. Sementara, sebanyak 58% responden menyatakan kondisi ikan hias cenderung meningkat. Pada aspek sosial dan ekonomi, sebanyak 62% responden merasa lebih aman dalam menangkap ikan karena tidak melanggar hukum, sebanyak 96% responden menyatakan sangat baik dalam hal penyelesaian masalah melalui kelompok, dan sebanyak 96% responden menyatakan memiliki kondisi fisik yang lebih baik. Namun, hanya sebanyak 42% responden yang menyatakan ada perbaikan harga jual ikan hias dari nelayan. Kesimpulan yang dapat diambil dari studi ini adalah program ini bisa mengubah persepsi masyarakat untuk menggunakan alat tangkap ramah lingkungan untuk mengurangi kerusakan ekosistem terumbu karang. Secara sosial, keamanan dan kesehatan nelayan cenderung meningkat. Secara ekonomi, program ini tidak memberikan perbaikan atau peningkatan harga ikan hias pada tingkat nelayan. Title: Impact of Implementation Marine Ornamental Fish Certification on Coral Reefs Ecosystem and Socio Economic of Fishers Condition in theKepulauan SeribuMarine ornamental fish certification was implemented in Seribu Islands at 2003 – 2006 by MAC on the need of buyers who want a healthy marine ornamental fish and non destructive fishing. This study aimed to evaluate impact of implementation of certification program of marine ornamental fish on coral reef ecosystem and social economic of fishers condition in Seribu Islands. The study was conducted in Panggang Island, Seribu Islands. The study was using three methods namely focus group discussions (FGD), in-depth interviews, and questionnaires. Number of respondents in the study were 44 respondents consist of a group of fishers and collectors of marine ornamental fish (certified and non certified), public figures, chief of the fishers group, and the head of fishers household. The result of this study was showed about 73% of respondents said the condition of coral reefs in fishing ground still in good category. Meanwhile, about 58% respondent said the condition of population marine ornamental fish is increase. In the social and economic aspects, about 62% of respondents felt more secure to collecting fish because they did not against the law, about 96% of respondents stated very well in terms of problem solving with group, and as 96% of respondents stated they have a better healthy condition. However, only about 42% of respondents was said the prices of marine ornamental fishes are increase. This study concluded that the program could changedthe perception of community in Panggang Island that using environmental-friendly fishing gear can reduce the destruction of coral reefs ecosystem. However, economic benefit of the certification program was not making improvement and increasing the prices of marine ornamental fishes.

Download Full-text

A contemporary baseline record of the world’s coral reefs

Scientific Data ◽

10.1038/s41597-020-00698-6 ◽

2020 ◽

Vol 7 (1) ◽

Author(s):

Alberto Rodriguez-Ramirez ◽

Manuel González-Rivero ◽

Oscar Beijbom ◽

Christophe Bailhache ◽

Pim Bongaerts ◽

...

Keyword(s):

Coral Reef ◽

Coral Reefs ◽

Significant Contribution ◽

Taxonomic Resolution ◽

Spatially Explicit ◽

Multi Scale ◽

Tropical Coral ◽

Before And After ◽

Tropical Coral Reef ◽

Proportional Cover

Abstract Addressing the global decline of coral reefs requires effective actions from managers, policymakers and society as a whole. Coral reef scientists are therefore challenged with the task of providing prompt and relevant inputs for science-based decision-making. Here, we provide a baseline dataset, covering 1300 km of tropical coral reef habitats globally, and comprised of over one million geo-referenced, high-resolution photo-quadrats analysed using artificial intelligence to automatically estimate the proportional cover of benthic components. The dataset contains information on five major reef regions, and spans 2012–2018, including surveys before and after the 2016 global bleaching event. The taxonomic resolution attained by image analysis, as well as the spatially explicit nature of the images, allow for multi-scale spatial analyses, temporal assessments (decline and recovery), and serve for supporting image recognition developments. This standardised dataset across broad geographies offers a significant contribution towards a sound baseline for advancing our understanding of coral reef ecology and thereby taking collective and informed actions to mitigate catastrophic losses in coral reefs worldwide.

Download Full-text

Are we sacrificing the future of coral reefs on the altar of the “climate change” narrative?

ICES Journal of Marine Science ◽

10.1093/icesjms/fsz226 ◽

2019 ◽

Vol 77 (1) ◽

pp. 40-45

Author(s):

Avigdor Abelson

Keyword(s):

Climate Change ◽

Coral Reefs ◽

Marine Protected Area ◽

Climate Change Effects ◽

Social Ecological Systems ◽

Social Ecological ◽

Untreated Sewage ◽

Local Protection ◽

Mitigate Climate Change ◽

Destructive Fishing

Abstract Following a series of mass-bleaching events that have seriously degraded coral reefs, notably the Great Barrier Reef of Australia, a common narrative is now dominating the discourse, according to which “the only sure way to save the world’s coral reefs is climate change mitigation”. However, climate change is not a sole stressor. Most coral reefs around the world are threatened by a myriad of local stressors, including overfishing, destructive fishing, untreated sewage, agriculture effluents (nutrients and pesticides), and siltation due to deforestation. Reefs will not survive the severe effects of this plethora of stressors while waiting until we mitigate climate change. In order to safeguard reefs, we need to adopt a new narrative—“there are diverse ways in which we can improve the chances of saving coral reefs”—by acting now to: (i) improve their local protection and marine protected area networks, (ii) alleviate their critical local stressors, (iii) restore degraded and damaged reefs, and (iv) promote reef resilience and adaptation (e.g. adaptation networks, assisted evolution) to the changing conditions, notably climate change effects. It is time for us to move on from the impractical goals of the climate change narrative (“interventions beyond our field of expertise”) to building up resilience and adaptation of social-ecological systems of coral reefs.

Download Full-text