Review of the state of the world fishery resources: Inland fisheries

Review of the state of the world fishery resources: Inland fisheries
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
Total Pages: 399
Release: 2018-11-05
Genre: Technology & Engineering
ISBN: 9251307938

The FAO Fishery and Aquaculture Circular C942 Revision 3 (C942 Rev. 3) updates and expands the scope of previous revisions of the circular. C942 Rev. 3 is an important baseline document, intended to assist in the global understanding of inland fisheries and inform dialogue on their current and future role. The third revision reviews the status and trends of inland fisheries catch at global, continental and subcontinental levels. It places inland capture fisheries in the context of overall global fish production, and calls attention to the importance of inland capture fisheries with respect to food security and nutrition and the Sustainable Development Goals. It quantifies global inland fisheries resources in terms of food production, nutrition, employment, economic contribution with respect to those countries/regions or subnational areas where they are important. A characterization approach to distinguish large-scale and small-scale fishing operations and their relative contributions is provided. The review provides estimated economic values of inland fisheries, as well as a valuation of potential replacement cost of these (in terms of dollars, other resources such as land and water, feeds). There is also an analysis of the extent and economic value of recreational inland fisheries. The contribution to employment and the gender differences related to this are quantified. The linkages between inland fisheries and biodiversity are also explored. C942 Rev. 3 discusses ways to measure and assess inland fisheries, in particular, how to establish more accurately inland fishery catches in the many situations where there are challenges to collection of catch statistics.

Freshwater Microplastics

Freshwater Microplastics
Author: Martin Wagner
Publisher: Springer
Total Pages: 309
Release: 2017-11-21
Genre: Science
ISBN: 3319616153

This book is open access under a CC BY 4.0 license. This volume focuses on microscopic plastic debris, also referred to as microplastics, which have been detected in aquatic environments around the globe and have accordingly raised serious concerns. The book explores whether microplastics represent emerging contaminants in freshwater systems, an area that remains underrepresented to date. Given the complexity of the issue, the book covers the current state-of-research on microplastics in rivers and lakes, including analytical aspects, environmental concentrations and sources, modelling approaches, interactions with biota, and ecological implications. To provide a broader perspective, the book also discusses lessons learned from nanomaterials and the implications of plastic debris for regulation, politics, economy, and society. In a research field that is rapidly evolving, it offers a solid overview for environmental chemists, engineers, and toxicologists, as well as water managers and policy-makers.

Africa's Inland Fisheries

Africa's Inland Fisheries
Author: Kim Geheb
Publisher: African Books Collective
Total Pages: 320
Release: 2002
Genre: Business & Economics
ISBN:

Brings together experiences of diverse management initatives in the inland fisheries of Eastern, Southern and Western Africa, notably regarding Lake Chad, Kariba, Malawi, Tanganyiaka, and Victoria, and the River Gambia. Considers how to achieve optimal yields, co-management practices, resources issues, etc.