Crab-mandarin fish-xenocypris composite ecological cultivation method for soda type salinization reed swamp wet land

A technology of ecological breeding and salinization, applied in fish farming, climate change adaptation, application, etc., can solve problems such as domestication and breeding of mandarin fish and pomfret in freshwater wetlands that have not yet been seen

Inactive Publication Date: 2011-04-20
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Crab-mandarin fish-xenocypris composite ecological cultivation method for soda type salinization reed swamp wet land
  • Crab-mandarin fish-xenocypris composite ecological cultivation method for soda type salinization reed swamp wet land
  • Crab-mandarin fish-xenocypris composite ecological cultivation method for soda type salinization reed swamp wet land

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Embodiment 1

[0077] Since 2007, in the Niuxintaobao reed farm of Da'an City in the Songnen Plain in the west of Jilin Province, the Jilin Provincial Agricultural Comprehensive Development Project "Western Wetland Ecological Conservation and Efficient Utilization Demonstration Area Construction" 200606 and "Western Jilin Soda Type Demonstration of Ecological Conservation and Restoration Technology of Salinized Reed Swamp Wetland" 01-022088202, Jilin Provincial Science and Technology Development Plan Project "Research on Ecological Restoration and Rational Utilization Model and Technology of Degraded Wetland in Western Jilin" 20080402-1. Combined with the implementation of the above projects, an 82hm experimental demonstration area for "crab-mandarin fish-pomfret" composite ecological breeding in soda-type salinized reed swamp wetland will be established 2 , located in Niuxintaobao Weichang, Daan City.

[0078] This paper provides the method for compound ecological breeding of soda type sali...

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Abstract

The invention provides a crab-mandarin fish-xenocypris composite ecological cultivation method for soda type salinization reed swamp wet land, which comprises seeding domestication, released density and cultivation management, catching and fostering. The seeding domestication survival rates (%), the average released densities (pieces/hm<2>), the average released specifications (pieces/hm<2>), the average released weights (kg/hm<2>) of the crab, the mandarin fish and the xenocypris are respectively as follows: 1) 87.7%, 86.4% and 79.2%; 2) 1450,190 and 420; 3) 5.4,25.7 and 83.2; and 4) 7.83,4.88 and 34.94. The average catching densities ((pieces/hm<2>), the average catching specifications (pieces/hm<2>), the average catching weight (kg/hm<2>) and the average recapture rates of the crab, the mandarin fish and the xenocypris are respectively as follows: 1) 479,136 and 228; 2) 165.5,289.3 and 257.1; 3) 79.25,39.30 and 58.60; and 4) 33.0,71.6 and 54.3.

Description

technical field [0001] The invention belongs to the technical field of aquaculture in saline-alkali wetlands, and relates to a method for compound ecological cultivation of "crab-mandarin fish-polocarp" in soda-type salinized reed swamp wetlands. technical background [0002] On the premise of ensuring that the structure and function of wetland ecosystem are not destroyed, exploring the theory and practice of its rational use is one of the key topics of wetland scientific research in my country and even in the world. Wetland is one of the main types of land resources in my country. According to the difference in water quality and salt content, wetlands can be divided into freshwater wetlands and saltwater wetlands. Saltwater wetlands are mainly distributed in coastal and inland arid and semi-arid areas. Reed swamp wetland is one of the main ecological types of inland wetlands. According to the classification system specified by the International Convention on Wetlands, it b...

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 杨富亿
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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