CN101743913A

CN101743913A - Ecological hibernation device for onchidium struma

Info

Publication number: CN101743913A
Application number: CN200810204164A
Authority: CN
Inventors: 沈和定; 吴杨平; 施志仪; 代欣欣; 刘广丰
Original assignee: Shanghai Maritime University
Current assignee: Shanghai Maritime University; Shanghai Ocean University
Priority date: 2008-12-08
Filing date: 2008-12-08
Publication date: 2010-06-23

Abstract

The invention relates to an ecological hibernation device for onchidium struma, in particular to an ecological simulating hibernation device for onchidium struma, which aims to solve the problem of low survival rate during long-term indoor hibernation. The ecological hibernation device adopts a box, and clay and sea water are laid at the bottom of the box. The ecological hibernation device is characterized in that the thickness of clay laid at the bottom of the box is 8-12 cm, and tiles and scallops are inserted in the box; the box bottom forms an inclination angle of 15 degree with the ground, and the box bottom submerged by sea water has an area of smaller than 1/6; a gauze is suited at the box opening and tightened with a rope; cord grass is planted and assiminea latericea, ellobium chinensis, nereis succinea, hemigrapsus sinensis or crabs capable of getting into mud or digging holes are stocked in the box, a pipe with a length of about 10 cm and an aperture of 3.5 cm is buried in the clay at the box bottom, and small holes are scattered on the two sides of the pipe. The ecological hibernation device is used for the ecological cultivation and hibernation of onchidium struma, and can be used as an experimental material in the scientific research of onchidium struma.

Description

Ecological hibernation device for onchidium struma

Technical field

The present invention relates to the bionical attitude device that a kind of Pulmonata shellfish-knurl back of the body orpiment (Onchidium struma) can long-term surviving under the indoors artificial cultivating condition, this device can be finished knurl back of the body orpiment to survive the winter smoothly.

Background technology

Knurl back of the body orpiment is subjected to extensive concern day by day as a kind of marine products treasure with very high economic worth, and at present owing to the natural resources scarcity, the numerous breed research work of knurl back of the body orpiment is carried out in succession.And open-air beach is enclosed the land and culture to be lacked trackability, is difficult to catch and grasp the reproductive biology characteristic on knurl back of the body orpiment basis, so the scientific worker generally carries on the back knurl orpiment and transplants indoor carrying out and support temporarily; Existing research report has been obtained phasic results just on this basis.But still do not have the relevant knurl indoor long-term surviving of back of the body orpiment at present and finish the example of surviving the winter smoothly, thereby hindered research, make breeding, breed research incoherence occur, be difficult to grasp its biological habit comprehensively its anniversary reproductive biology and reproductive characteristic.Tracing it to its cause, mainly is the environment that indoor shortage is fit to knurl back of the body orpiment healthy living, and too many in addition artificial disturbance is so mortality phenomenon in a short time often occurs.Common practice is constantly to replenish the laboratory test material quantity from field acquisition knurl back of the body orpiment sample at present for this reason.Go into the hole and survive the winter but this kind method takes time and effort after demand, the especially autumn and winter that can not fundamentally alleviate research material open-air knurl back of the body orpiment, material is difficult to gather.For this reason, need set up a kind of cultivator that under the indoors artificial condition, can control and improve its survival rate, and urge it and survive the winter smoothly, provide material to guarantee for further studying.

Summary of the invention

The purpose of this invention is to provide a kind of ecological hibernation device for onchidium struma, for knurl back of the body orpiment desk research provides reliable test material at any time.

Technical scheme of the present invention adopt chest and at the bottom of case lay earth and seawater, it is characterized in that the thick 8～12cm of earth that lays at the bottom of the case inserting tile and scallop shell in the case, so that knurl back of the body orpiment shelter ovum group adherance in one's power to be provided; Chest one side bed hedgehopping is made the inclination angles that form 15 degree at the bottom of the case with ground, and the area that is flooded by seawater at the bottom of the case is less than 1/6, to keep the humidity of environment and knurl back of the body orpiment health in the case; Gauze and frapping on the case muzzle in order to ventilate, conveniently to observe and to prevent that the knurl back of the body orpiment from escaping; Plantation rice grass in the case, put the crab that red plan natural pond spiral shell or Chinese ear snail, perinereis aibihitensis Grube, the nearly side crab of China or other can sludge be dug a hole in a suitable place to breed, biology in the nature beach environment is set makes with simulation beach environment that to accomplish fluently the hole before surviving the winter be that the hibernation of knurl back of the body orpiment provides the place, bury the pipe that is about about 10cm bore 3.5cm at ecological box bed mud middle berth in addition, duck eye is scattered with moisture abundance in the holding tube in the pipe both sides, the usefulness that its activity of confession is perched.

Outstanding feature of the present invention is that the method that adopts pipe laying and other biology to burrow has been made bionical attitude device, knurl back of the body orpiment provides the place of living in concentrated communities of surviving the winter in order to survive the winter, to prevent the single individual dead situation of disperseing to be easy to, not only can improve the indoor survival rate of knurl back of the body orpiment, and it is finished smoothly survive the winter, knurl back of the body orpiment overwintering survival rate is 70 ± 7.9%, being lower than 5% with the survival rate of culturing knurl back of the body orpiment in the conventional case compares, improved about 14 times, solved suffered season and the place limitation of test material field acquisition in the scientific research.

Description of drawings

Fig. 1 is ecological hibernation device for onchidium struma figure;

Fig. 2 is the ecology device side view of surviving the winter;

Fig. 3 is the ecology device vertical view of surviving the winter;

Fig. 4 be ecology survive the winter device plantation rice grass, insert the schematic diagram of tile;

Fig. 5 is that the ecology device of surviving the winter is put into shell, put the schematic diagram of China's nearly side crab, knurl back of the body orpiment in a suitable place to breed.

Embodiment

Below in conjunction with description of drawings the specific embodiment of the present invention:

See Fig. 1, Fig. 2, lay the thick earth of 8～12cm 3 and several rice grass 2 at the bottom of the blue plastic box 1 case and constitute basic environment in the ecological device of surviving the winter.

Figure 2 shows that by plastic gauze 4, the rope made of hemp 5, blue plastic box and constitute the survive the winter external form of device of ecology, reach the anti-purpose of escaping, and this device is raised chest one side cushioning 13 to make at the bottom of the case and is become 15 degree inclination angles 6 with ground, be easy to make the area that is flooded by seawater 12 at the bottom of the case less than 1/6, the humidity in the holding device.

See Fig. 3, tile 7, shell 8, plastic pipe 9 are knurl back of the body orpiment 11 hidden places, and tile 7 and shell 8 are again knurl back of the body orpiment ovum group adherances breeding period.

Rice grass 2 among Fig. 4, Fig. 5 and the Chinese near side cave that crab burrows 10 among Fig. 5 are knurl back of the body orpiment 11 hidden places.

Best embodiment of the present invention is to select long 62cm suitable for reading, wide 44cm for use, the long 58cm of end opening, wide 38cm, the blue plastic box 1 of high 36cm; Lay the thick earth 3 of 8～12cm, bed mud area 0.22m at the bottom of the case ², in ecological box, tilt to insert 6 tiles 7 and 2 scallop shells 8, with provide knurl back of the body orpiment shelter in one's power breeding period ovum group adherance; With ecological box one side bed hedgehopping, make the inclination angles 6 that form 15 degree at the bottom of the case with ground, the area that is flooded by seawater at the bottom of the case is less than 1/6, adds seawater or fresh water every day to keep the humidity of environment and knurl back of the body orpiment health in the ecological box; The escape of knurl back of the body orpiment is tightened in order to ventilation, conveniently observes and prevented to plastic gauze 4 also with the rope made of hemp 5 on the case muzzle; The knurl back of the body orpiment 50-100 that puts average weight 12g in each ecological box in a suitable place to breed is individual, plant 10 rice grass (Spartina anglica) 2, put 15 red plan natural pond spiral shells (Assiminea latericera) or 10 Chinese ear snails in a suitable place to breed, article 6, perinereis aibihitensis Grube (Perinereisaibuhitensis), biology in the nature beach environment is set with simulation beach environment, put the crab that 1～2 nearly side crab of China (Hemigrapsus sinensis) or other meeting sludges are dug a hole in the case in a suitable place to breed, accomplish fluently cave 10 before surviving the winter and provide the place for the hibernation of knurl back of the body orpiment, bury the plastic pipe 9 that is about about 10cm bore 3.5cm at ecological box bed mud middle berth in addition, duck eye is scattered with moisture abundance in the holding tube in the pipe both sides, the usefulness that its activity of confession is perched.

This device is by testing when temperature is reduced to 13 ℃, most knurl back of the body orpiment all stops to ingest and has climbed in the pipe that shop in advance buries or pierce in the crab hole, what have burrows in the softer mud of quality, and the 3 years test datas proof ecologies since the 2005-2007 are survived the winter, and knurl back of the body orpiment overwintering survival rate is 70 ± 7.9% in the device; And the survival rate of the knurl back of the body orpiment of surviving the winter in the conventional case all is lower than 5%, and the mortality phenomenon promptly occurs in a period of time after the end of surviving the winter.The present invention compares with the survival rate of breed knurl back of the body orpiment in the conventional case and has improved about 14 times.

Claims

1. ecological hibernation device for onchidium struma, adopt chest and at the bottom of case lay earth and seawater, it is characterized in that the thick 8～12cm of earth that lays at the bottom of the case, hidden and ovum group adheres to for knurl back of the body orpiment to insert tile and scallop shell in the case; Form the inclination angle of 15 degree at the bottom of the case with ground, the area that is flooded by seawater at the bottom of the case is less than 1/6 humidity with environment in the maintenance case and knurl back of the body orpiment health; Gauze and frapping on the case muzzle in order to ventilate, conveniently to observe and to prevent that the knurl back of the body orpiment from escaping; Plant the rice grass in the case, put red plan natural pond spiral shell or Chinese ear snail, perinereis aibihitensis Grube, the nearly side crab of China in a suitable place to breed or understand the crab that sludge is dug a hole, accomplish fluently the hole before surviving the winter and provide the place for the hibernation of knurl back of the body orpiment, bury the pipe that is about about 10cm bore 3.5cm at case bed mud middle berth, the pipe both sides are scattered duck eye and are carried on the back the usefulness that the orpiment activity is perched so that moisture in the holding tube is sufficient for knurl.

2. ecological hibernation device for onchidium struma according to claim 1 is characterized in that chest selects long 62cm suitable for reading, wide 44cm for use, the long 58cm of end opening, wide 38cm, the blue plastic box of high 36cm.

3. ecological hibernation device for onchidium struma according to claim 1 and 2 is characterized in that in the case tilting to insert 2 of 6 on tile and scallop shells; 10 of plantation rice grass in the case, put 15 on red plan natural pond spiral shell or 10 of Chinese ear snails in a suitable place to breed, put 6 of perinereis aibihitensis Grubes in a suitable place to breed, 1～2 of the nearly side crab of China; The knurl back of the body orpiment 50-100 that puts average weight 12g in each case in a suitable place to breed is individual.