Aquaculture Asia Magazine, January-March 2020
19 February 2020 | 961 views | .pdf | 5.58 MB | Tags: Climate change, Environment and sustainability, Freshwater finfish, Genetics and biodiversity, Hatchery and nursery, India, Indonesia, Inland aquaculture, Shrimp, Vietnam, Water quality
In this issue:
- Mahseer sanctuaries of Meghalaya: A conservation and recreational perspective
P. Dash, R.S. Tandel, D. Baruah and D. Sarma
- Impacts of climate change on aquaculture in Vietnam: A review of local knowledge
Alexandra Johnson and Pham Quoc Hung
- Simple means of water aeration adopted by progressive fish breeders in West Bengal, India
- Breeding striped snakehead (Channa striata) using the concrete tank method in the Cangkringan Area, Special Region of Yogyakarta
Kurniawan Wahyu Hidayat and Dwi Amelia
- NACA Newsletter
Creative Commons Attribution.
Aquaculture Asia Magazine
Aquaculture Asia Magazine is an autonomous publication that gives farmers and scientists in developing countries a voice. Stories concern the small-scale aquaculture prevalent in the region and the circumstances of farmers trying to make ends meet in an increasingly globalised world. We accept articles on any aspect of aquaculture and the related processing, marketing, economic, environmental and social issues. An RSS feed is available if you wish to stay informed of new issues.
In this collection
Mahseer sanctuaries of Meghalaya: A conservation and recreational perspective
This article presents available information regarding the present status of chocolate mahseer and the conservation measures been undertaken in the East Garo Hills of Meghalaya. A total of 54 sanctuaries have been established since 2012 in Garo, Khasi and Jaintia hills under the Meghalaya State Aquaculture Mission project of the Fish Farmers Development Agency. The sanctuaries have been established with the objective to preserve and enhance aquatic biodiversity, protect indigenous ﬁsh species, preserve breeding and feeding grounds, and serve as tourist attractions to provide livelihood opportunities.
Impacts of climate change on aquaculture in Vietnam: A review of local knowledge
Vietnam has a vast coastline which exposes it to typhoons and ﬂooding. Farmers are at the frontlines of experiencing climate change as their livelihoods are intrinsically linked with the natural environment. Our study collected local knowledge of aquaculture farmers living in South Central Vietnam. The purpose of the interviews was to gather ﬁrsthand knowledge on current climate change impacts experienced by farmers, as well as which climate change threats they are most concerned about, and how they are adapting to these threats.
Simple means of water aeration adopted by progressive fish breeders in West Bengal, India
In India, West Bengal is the leading state in hatchery-based seed production (spawn, fry, advanced fry) of major carps and other economically important freshwater ﬁshes. Dissolved oxygen is the most critical parameter of water quality and basic necessity in ﬁsh hatcheries, nursery and grow-out ponds. Hatchery ﬁsh seed production can be limited by the dissolved oxygen content of circulating water. Progressive ﬁsh breeders in villages of West Bengal have overcome and eliminated this problem by designing simple but eﬀective means of water aeration to improve dissolved oxygen in hatchery water supplies, maximising survival of fertilised eggs, hatchlings and spawn. This article describes some of the techniques that have been adopted using low-cost and recycled materials.
Breeding striped snakehead (Channa striata) using the concrete tank method in the Cangkringan Area, Special Region of Yogyakarta
The striped snakehead (Channa striata) is a species of swamp ﬁsh that has a high economic value. Intensive ﬁshing has reduced the wild populations. Hatchery production of this species has the potential for both commercial aquaculture supportive breeding programmes to conserve ﬁsh resources and increase the natural population. Below we describe a protocol we used for controlled spawning and hatchery operations for striped snakehead.