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Book (series)Conversion factors for processed queen conch to nominal weight/ Factores de conversión para el caracol reina procesado a peso nominal 2009
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No results found.Queen conch (Strombus gigas) is one of the important fishery resources in the Caribbean in terms of its annual landings and its social and economic importance. Queen conch is an edible marine gastropod of the Caribbean region that has been listed in Appendix II of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which allows international trade of the species only after certain conditions are met. An FAO FishCode STF*/OSPESCA** workshop held in Panama identified the need to be able to convert the different processing grades to nominal weight. Three countries (Dominican Republic, Honduras and Nicaragua) volunteered to participate in a field experiment to establish the conversion factors. This investigation resulted in the establishment of conversion rates for different processing grades per country. There were slight but significant differences between conversion factors for processing grades between countries, most likely related to different processing techniques used. Within this limitation, the following preliminary regional conversion factors are recommended: 100 percent fillet to nominal weight 16.4; 85 percent fillet to nominal weight 13.7; 50 percent fillet to nominal weight 9.46; dirty meat to nominal weight 5.7. -
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ArticleNatural rubber contributions to mitigation of climate change
XV World Forestry Congress, 2-6 May 2022
2022Also available in:
No results found.The potential of natural rubber to contribute to climate change mitigation is often overlooked. The purpose of this paper is to synthesize available research, mainly from the results of a recent workshop organised by IRSG in collaboration with CIFOR/FTA, IRRDB and CIRAD. Studies have been conducted on the potential contribution of rubber plantations to climate change mitigation in diverse situations, generally focusing on carbon stocked in tree biomass above and below ground. They show that rubber plantations constitute carbon stocks that can be compared to some agroforestry or forestry systems. However, the global GHG emissions balance needs to take into account the effects of conversion to rubber plantation, which is strictly dependent on the previous land use. Conversion of forests or swidden agriculture can lead to substantial carbon emissions especially if swidden agriculture displaced by rubber in turn translates to an area where it converts natural forest. Such studies show the importance of promoting the renewal of existing plantations and to increase productivity, in rubber and associated crops, to reduce the need for additional land. Rubber plantations can also be an effective mitigation measure on degraded lands. There is a considerable potential in use of rubber wood, largely untapped, that would reduce the need for additional wood collection in forests and for timber plantations. Finally, natural rubber and rubber wood can substitute other products highly dependent of fossil energies and are themselves carbon sinks. Keywords: Climate change, Policies, Economic Development, Knowledge management, Value chain ID: 3486615
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