The auxiliary cultivator of a kind of fishery
Technical field
The invention belongs to fish culture field, relate in particular to the auxiliary cultivator of a kind of fishery.
Background technology
In sea fishery, all kinds of artificial poly-fish devices such as such as artificial fish shelter, protective device etc. have been brought into play important function for improving output.The fishery servicing units such as current artificial fish shelter, adopt concrete, discarded hull, tire etc. to be made mostly, and manufacture process is comparatively complicated, and cost is higher.And the fishery servicing units such as the fish shelter of prior art need setting to sink to the bottom device or weightening finish structure, can be near sea bed or by the structure being connected with sea bed, guarantee its position, comparatively inconvenience when therefore safeguarding and reclaiming.Moreover, in shallow sea, Zhong Haichu, as the marine alga of one of fish Major Foods, lacking growth bases oneself on, it is very limited that the area that existing artificial fish shelter can adhere to for marine alga is first compared self shared volume, second in the bond area that provided, at least half can not be subject to direct illumination, affect seaweed growth speed, poly-fish effect is also affected.
Referring to disclosed in Chinese patent literature " a kind of artificial fish shelter ", its notification number is CN102599081A, this artificial fish shelter includes work fish shelter body, it is characterized in that described artificial fish shelter body is down " Y " shape, described being down " Y " shape artificial fish shelter body by steel bar concrete casting all-in-one-piece upper unit, lower left quarter unit and right lower quadrant unit form, described upper unit is " arrow " shape vertically downward, it is by upper left batter post, upper center pillar and upper right batter post form, described lower left quarter unit is upwards and partially right-oblique " arrow " shape, it is by the left batter post in lower-left, the right batter post of lower-left center pillar and lower-left forms, described right lower quadrant unit is upwards and partially left-oblique " arrow " shape, it is by the left batter post in bottom right, bottom right center pillar and inferior right batter post form.The present invention builds fish by combination stacked and lays eggs and the place of perching, and can also greatly improve stability and the hydrodynamic force of artificial fish shelter in the situation that of some combinations.But this kind of fish shelter utilizes the mixed earth of reinforcing bar to form by casting, manufacture process not only needs mould, needs again reasonably to control technique, and therefore manufacturing cost is higher; Because this kind of fish shelter belongs to sinking type fish shelter, during work, be on sea bed again, comparatively inconvenience of its recovery and maintenance, and lack effective location device, and easily by ocean current, taken away original position, cause and reclaim difficulty.
Referring to disclosed in Chinese patent literature " floating fish shelter with controllable depth ", its notification number is CN102228012A, this floating fish shelter with controllable depth comprises rope and be serially connected in the ball float on this rope, wherein: rope mid portion is connected with Self-sinking suction anchor through fixed pulley through snub rope; The end of rope is connected with buoyancy tank; Buoyancy tank surface is evenly equipped with attachment band; On attachment band, be connected with attached ropes.It has advantages of that can regulate and control the suspension degree of depth carries out that artificial fecundation, good stability are difficult for dragging of anchor, ecological performance is superior, can carry out many water layers propagation, cultivation effect is good.Although above-mentioned fish shelter can provide certain marine alga bond area, but compare self shared space, rope, ball float etc. are located unfavorable adhering to, and distant with reefs itself, enable to adhere to a part of marine alga, contribution for poly-fish is also very limited, and can only have the part on buoyancy aid for the place of adhering to, no matter and buoyancy aid is in which kind of position, always by buoyancy aid, sheltered from a part, cause having on many areas being difficult to be subject to direct illumination, for marine alga attached thereto, can not provide large as far as possible advantageously grow environment, poly-fish effect is also affected.And this artificial fish shelter locates on sea bed by Self-sinking suction anchor, if will safeguard, need enter marine site buoyancy aid is safeguarded, if will reclaim, need enter marine site Self-sinking suction anchor is reclaimed, then buoyancy aid, rope and ball float are reclaimed again, very inconvenient.
Summary of the invention
The object of the invention is the poly-fish protective device manufacture processes such as artificial fish shelter in order to solve prior art comparatively complicated, the problem that cost is higher, provide a kind of raw material cheap, draw materials conveniently, the simple and extremely low poly-fish protective device of cost of manufacture method.
Another object of the present invention is the poly-fish protective device such as the artificial fish shelter in order to solve prior art problem of inconvenience comparatively when safeguarding and reclaiming, and a kind of poly-fish protective device of safeguarding and reclaiming be convenient to is provided.
Another object of the present invention is that the marine alga of the poly-fish protective devices such as the artificial fish shelter in order to solve prior art can bond area and be directly subject to the problem that illuminating area ratio is lower, and a kind of poly-fish protective device that can fully be subject to illumination that can make full use of entirety as marine alga attachment surface and adhere to marine alga region is provided.
The present invention is achieved by the following technical solutions:
The auxiliary cultivator of a kind of fishery, comprise the pedestal being formed by the collar of some sealings, arbitrary collar at least with the mutual ring set of another collar, the described collar is provided with at least one reef cave of being made by bottomless beverage bottle, place, large mouthful of described reef cave is provided with the grid beam of being made by fish meal, described reef cave is provided with some fish passes that run through reef cave sidewall, and described reef cave is provided with at least one cover annular distance, and the cover annular distance on described reef cave is passed by the collar being connected with himself.On pedestal, can choose arbitrarily some collars and by the mode such as lower, be fixed on seashore near surface as retainer ring, the residue collar is hung among seawater.Thus, just formed from seashore surface start to shallow sea, a slice of sea region cover continuously the reef cave of certain limit, can be for continuous poly-fish protection structure be provided in coverage.Reef cave is made by beverage bottle, draws materials extremely convenient, compare the artificial fish shelter cost that artificial fish shelter in the past or even discarded object make also very cheap, and manufacturing process is also simple.Shallow, middle sea region that the present invention is applicable to, nearer apart from the water surface first, two are secured in seashore near surface, therefore reclaim very convenient, and compared with the fish shelter of prior art, pedestal itself is exactly the device that connects reef cave, is also to connect and recovery structure simultaneously, does not need the extra spacing or syndeton of connection cord and so on.And, pedestal can move within the specific limits along with ocean current, in ocean current, be rich in the seabed nutritive salt being taken up by vertical ocean current, be beneficial to most the growth of the fish foodstuffs such as marine alga, pedestal and reef cave can be in ocean current motion place the most frequently in certain area at any time, are beneficial to adhering to and growing of marine alga most, for fish provide abundant bait.Can be for the cultivation of fry when the present invention is come into operation at the beginning, now fry can enter reef cave, but volume can be blocked by grid beam and can not eat up the fry within reef cave compared with large fish, need to wait the grid beam of being made by fish meal by the shoal of fish edible reef cave that just can enter afterwards gradually, now spent the fry rearing initial stage, therefore can guarantee the survival rate of fry, now reef cave also can be used as perching of fish that volume is larger and hides place.
As preferably, described cover annular distance is on the bottleneck of bottomless beverage bottle, and described cover annular distance is uniformly distributed along beverage bottle axis, and the collar is successively through all cover annular distances on the reef cave being connected with self.Bottleneck is part the firmest on beverage bottle, and the collar is connected on pedestal through the Lai Jiangjiao cave, hole on bottleneck, and survivable body structure can guarantee firm connection simultaneously.
As preferably, the described place, large mouthful of bottomless beverage bottle bottom of making reef cave is provided with some breaches parallel with reef cave axis, described reef cave side wall lower ends forms some flangings along turning on breach, described flanging latter end and reef cave lateral wall are connected to form the chamber, the outer cave of ring-type of interruption, and described Qiang Yanjiao cave, outer cave axis is uniform.Chamber, outer cave is the annulus being interrupted, and has a large amount of marine alga attachment points, and the marine alga that makes that can be good adheres to, and space availability ratio is high.Chamber, outer cave itself is also fish habitat and protection structure, and fish can enter in chamber, outer cave and perch and hide.
As preferably, described pedestal is provided with some spores of being made by bottomless beverage bottle with cover and cultivates bottle, described spore is cultivated bottle and is provided with a gauze that is coated spore cultivation bottle bottom, described spore is cultivated in bottle and is separated into some storage chambers by the some iron plates that distribute along spore cultivation bottle axis, in described storage chamber, be provided with the compacting mixture of marine alga spore and wood chip, described iron plate thickness is 0.35mm to 0.7mm.The iron plate that spore is cultivated on bottle can be corroded in seawater, iron plate until the most close bottle end is corroded after consumption completely, spore in first storage chamber will touch extraneous seawater, under illumination and the suitable condition of temperature, will find adherance adheres to and starts to grow marine alga filamentous and thallus, because spore and wood chip are that compacting mixes, therefore the seawater that is difficult for directly being flowed is taken away, can make spore a small amount of, leave lentamente spore and cultivate bottle, make it be attached to as much as possible pedestal, the places such as surface, reef cave, improve the marine alga amount in environs of the present invention.And some iron plates are separated into some storage chambers by spore cultivation bottle, therefore marine alga spore can be provided one time at set intervals, near the relatively large marine alga of apposition growth is for a long time located in assurance reef cave etc., to attract for a long time the shoal of fish and food be provided, and the thickness of iron plate can be determined according to the required cycle that spore is provided, the consumption that is corroded of each cycle iron plate, near the spore in a storage chamber of bottle bottom side will with contact with sea water apposition growth under optimum conditions.
As preferably, described spore is cultivated bottle and is provided with accessory attachment base, and described accessory attachment sill is shell fragment.Shell contains a large amount of calcium carbonate compositions, shallow, in marine common marine alga, as laver, sea-tangle etc., its spore and filamentous have the ability of dissolving calcium carbonate when growth, be easier to adhere on shell, and pierce growth, therefore accessory attachment base can increase the amount of adhering to marine alga, more fish food is provided, better plays poly-fish effect.
As preferably, in described reef cave, be provided with by volume and be less than the chamber, interior cave that the bottomless beverage bottle in reef cave forms, described chamber, interior cave bottleneck is connected with reef cave bottleneck, between described reef cave madial wall and chamber, interior cave lateral wall, forms young postlarva chamber.Chamber, interior cave can be used as the habitat of normal body fish; young postlarva chamber between Qiang Yujiao cave, interior cave can be used as the specific protection place to young postlarva; young postlarva refers to a kind of fry type; its small volume, therefore can be by the fish pass on entrance and the reef cave in young postlarva chamber, and it is larger to engulf the fish volume of young postlarva; chamber, interior cave can only be entered and young postlarva chamber cannot be entered; therefore can play good protection to young postlarva, improve the survival rate of young postlarva, guarantee fishery production.
Therefore, the invention has the beneficial effects as follows: (1) facility of drawing materials, manufacture method is simple, with low cost; (2) accept illumination range wide, dead angle backlight is few, and the marine alga adhering to can fully grow; (3) have spore and cultivate bottle, a large amount of marine alga spores can be regularly provided, guaranteeing can long-term sufficient growth have the marine alga as bait on each attaching structure of the present invention.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the reef cave bottom surface structure schematic diagram of the embodiment of the present invention 1;
Fig. 3 is the structural representation that spore of the present invention is cultivated bottle
Fig. 4 is the reef cave bottom surface structure schematic diagram of the embodiment of the present invention 2.
In figure: pedestal 1, reef cave 2, grid beam 3, fish pass 4, flanging 5, spore are cultivated bottle 6, iron plate 7, storage chamber 8, chamber, interior cave 9, young postlarva chamber 10.
Embodiment
Below by embodiment, by reference to the accompanying drawings technical scheme of the present invention is described further:
Embodiment 1: the auxiliary cultivator of a kind of fishery as shown in Figure 1 and Figure 2, comprise the pedestal 1 being formed by the collar of some sealings, arbitrary collar at least with the mutual ring set of another collar, the described collar is provided with at least one reef cave 2 of being made by bottomless beverage bottle, described place, 2 large mouthfuls, reef cave is provided with the grid beam 3 of being made by fish meal, described reef cave 2 is provided with some fish passes 4 that run through reef cave 2 sidewalls, described reef cave 2 is provided with two cover annular distances, and the cover annular distance on described reef cave 2 is passed by the collar being connected with himself.Described cover annular distance is on the bottleneck of bottomless beverage bottle, and described cover annular distance is uniformly distributed along beverage bottle axis, and the collar is successively through two cover annular distances on the reef cave 2 being connected with self.Bottleneck is part the firmest on beverage bottle, and the collar is connected on pedestal 1 through the Lai Jiangjiao cave, hole 2 on bottleneck, and survivable body structure can guarantee firm connection simultaneously.The described place, large mouthful of bottomless beverage bottle bottom of making reef cave 2 is provided with some breaches parallel with reef cave 2 axis, described reef cave 2 side wall lower ends form some flangings 5 along turning on breach, described flanging 5 latter ends and reef cave 2 lateral walls are connected to form the chamber, the outer cave of ring-type of interruption, and described Qiang Yanjiao cave, outer cave 2 axis are uniform.Chamber, outer cave is the annulus being interrupted, and has a large amount of marine alga attachment points, and the marine alga that makes that can be good adheres to, and space availability ratio is high.Chamber, outer cave itself is also fish habitat and protection structure, and fish can enter in chamber, outer cave and perch and hide.In described reef cave 2, be provided with by volume and be less than the chamber, interior cave 9 that the bottomless beverage bottle in reef cave 2 forms, described chamber, interior cave 9 bottlenecks are connected with reef cave 2 bottlenecks, between described reef cave 2 madial walls and chamber, interior cave 9 lateral walls, form young postlarva chamber 10.Chamber, interior cave 9 can be used as the habitat of normal body fish; young postlarva chamber 10 between chamber, interior cave 9 and reef cave 2 can be used as the specific protection place to young postlarva; young postlarva refers to a kind of fry type; its small volume; therefore can be by the fish pass 4 on entrance and the reef cave 2 in young postlarva chamber 10; and the fish volume that can engulf young postlarva is larger; chamber, interior cave 9 can only be entered and young postlarva chamber 10 cannot be entered; therefore can play good protection to young postlarva; improve the survival rate of young postlarva, guarantee fishery production.
On pedestal 1, can choose arbitrarily some collars and by the mode such as lower, be fixed on seashore near surface as retainer ring, the residue collar is hung among seawater.Thus, just formed from seashore surface start to shallow sea, a slice of sea region cover continuously the reef cave 2 of certain limit, can be for continuous poly-fish protection structure be provided in coverage.The structures such as reef cave 2 are made by beverage bottle, draw materials extremely convenient, compare the artificial fish shelter cost that artificial fish shelter in the past or even discarded object make also very cheap, and manufacturing process are also simple.Shallow, middle sea region that the present invention is applicable to, nearer apart from the water surface first, two are secured in seashore near surface, therefore reclaim very convenient, when needs reclaim, the collar is all retracted and can take back all reefs cave 2 grades and be connected to the structure on pedestal 1, simple and quick.And compared with the fish shelter of prior art, pedestal 1 itself is exactly the device that connects reef cave 2, be also to connect and recovery structure simultaneously, do not need the extra spacing or syndeton of connection cord and so on.Moreover, of the present invention bear close illumination range larger, under light can directly shine from each collar, illumination dead angle is little, fish shelter bottom and the place backlight of comparing in the past can not be subject to abundant illumination, no matter be attached to the marine alga of locating on pedestal 1 or on reef cave 2 in the present invention, all can be subject to sufficient illumination, and, pedestal 1 can move within the specific limits along with ocean current, in ocean current, be rich in the seabed nutritive salt being taken up by vertical ocean current, be beneficial to most the growth of the fish foodstuffs such as marine alga, pedestal 1 and reef cave 2 can be in ocean current motion place the most frequently in certain area at any time, be beneficial to most adhering to and growing of marine alga, for fish provide abundant bait, there is good poly-fish effect.Can be for the cultivation of fry when the present invention is come into operation at the beginning, now fry can enter reef cave 2, but volume can be blocked by grid beam 3 and can not eat up the fry within reef cave 2 compared with large fish, need to wait the grid beam 3 of being made by fish meal by the shoal of fish edible reef cave 2 that just can enter afterwards gradually, now spent the fry rearing initial stage, therefore can guarantee the survival rate of fry, now reef cave 2 also can be used as perching of fish that volume is larger and hides place.
Embodiment 2: the auxiliary cultivator of a kind of fishery as shown in Figure 1, Figure 3, comprise the pedestal 1 being formed by the collar of some sealings, arbitrary collar at least with the mutual ring set of another collar, the described collar is provided with at least one reef cave 2 of being made by bottomless beverage bottle, described place, 2 large mouthfuls, reef cave is provided with the grid beam 3 of being made by fish meal, described reef cave 2 is provided with some fish passes 4 that run through reef cave 2 sidewalls, described reef cave 2 is provided with two cover annular distances, and the cover annular distance on described reef cave 2 is passed by the collar being connected with himself.Described cover annular distance is on the bottleneck of bottomless beverage bottle, and described cover annular distance is uniformly distributed along beverage bottle axis, and the collar is successively through two cover annular distances on the reef cave 2 being connected with self.Bottleneck is part the firmest on beverage bottle, and the collar is connected on pedestal 1 through the Lai Jiangjiao cave, hole 2 on bottleneck, and survivable body structure can guarantee firm connection simultaneously.The described place, large mouthful of bottomless beverage bottle bottom of making reef cave 2 is provided with some breaches parallel with reef cave 2 axis, described reef cave 2 side wall lower ends form some flangings 5 along turning on breach, described flanging 5 latter ends and reef cave 2 lateral walls are connected to form the chamber, the outer cave of ring-type of interruption, and described Qiang Yanjiao cave, outer cave 2 axis are uniform.Chamber, outer cave is the annulus being interrupted, and has a large amount of marine alga attachment points, and the marine alga that makes that can be good adheres to, and space availability ratio is high.Chamber, outer cave itself is also fish habitat and protection structure, and fish can enter in chamber, outer cave and perch and hide.Described pedestal 1 is provided with some spores of being made by bottomless beverage bottle with cover and cultivates bottle 6, described spore is cultivated bottle 6 and is provided with the gauze that is coated spore cultivation bottle 6 bottoms, described spore is cultivated the interior some iron plates 7 of being cultivated bottle 6 axis distributions along spore of bottle 6 and is separated into some storage chambers 8, in described storage chamber 8, be provided with the compacting mixture of marine alga spore and wood chip, described iron plate 7 thickness are 0.35mm to 0.7mm.The iron plate 7 that spore is cultivated on bottle 6 can be corroded in seawater, iron plate 7 until the most close bottle end is corroded after consumption completely, spore in first storage chamber 8 will touch extraneous seawater, under illumination and the suitable condition of temperature, will find adherance adheres to and starts to grow marine alga filamentous and thallus, because spore and wood chip are that compacting mixes, therefore the seawater that is difficult for directly being flowed is taken away, can make spore a small amount of, leave lentamente spore and cultivate bottle 6, make it be attached to as much as possible pedestal 1, the places such as 2 surfaces, reef cave, improve the marine alga amount in environs of the present invention.And some iron plates 7 are separated into some storage chambers 8 by spore cultivation bottle 6, therefore marine alga spore can be provided one time at set intervals, guarantee near the place such as reef cave 2 the relatively large marine alga of apposition growth for a long time, to attract for a long time the shoal of fish and food be provided, and the thickness of iron plate 7 can be determined according to the required cycle that spore is provided, the consumption that is corroded of each cycle iron plate 7, near the spore in a storage chamber 8 of bottle bottom side will with contact with sea water apposition growth under optimum conditions.For example, needing provides spore for 1 year one time, chooses CuCr cast iron iron plate 7, and iron plate 7 thickness are just chosen as 0.35mm so, because the corrosion rate of CuCr cast iron in seawater is exactly annual 0.35mm.Described spore is cultivated bottle 6 and is provided with accessory attachment base, and described accessory attachment sill is shell fragment.Shell contains a large amount of calcium carbonate compositions, shallow, in marine common marine alga, as laver, sea-tangle etc., its spore and filamentous have the ability of dissolving calcium carbonate when growth, be easier to adhere on shell, and pierce growth, therefore accessory attachment base can increase the amount of adhering to marine alga, more fish food is provided, better plays poly-fish effect.
On pedestal 1, can choose arbitrarily some collars and by the mode such as lower, be fixed on seashore near surface as retainer ring, the residue collar is hung among seawater.Thus, just formed from seashore surface start to shallow sea, a slice of sea region cover continuously the reef cave 2 of certain limit, can be for continuous poly-fish protection structure be provided in coverage.Reef cave 2, spore are cultivated the structures such as bottle 6 and are made by beverage bottle, draw materials extremely convenient, compare the artificial fish shelter cost that artificial fish shelter in the past or even discarded object make also very cheap, and manufacturing process are also simple.Shallow, middle sea region that the present invention is applicable to, nearer apart from the water surface first, two are secured in seashore near surface, therefore reclaim very convenient, and compared with the fish shelter of prior art, pedestal 1 itself is exactly the device that connects reef cave 2, is also to connect and recovery structure simultaneously, does not need the extra spacing or syndeton of connection cord and so on.Moreover, of the present invention bear close illumination range larger, under light can directly shine from each collar, illumination dead angle is little, fish shelter bottom and the place backlight of comparing in the past can not be subject to abundant illumination, no matter be attached to the marine alga of locating on pedestal 1 or on reef cave 2 in the present invention, all can be subject to sufficient illumination, and, pedestal 1 can move within the specific limits along with ocean current, in ocean current, be rich in the seabed nutritive salt being taken up by vertical ocean current, be beneficial to most the growth of the fish foodstuffs such as marine alga, pedestal 1 and reef cave 2 can be in ocean current motion place the most frequently in certain area at any time, be beneficial to most adhering to and growing of marine alga, for fish provide abundant bait, there is good poly-fish effect.Can be for the cultivation of fry when the present invention is come into operation at the beginning, now fry can enter reef cave 2, but volume can be blocked by grid beam 3 and can not eat up the fry within reef cave 2 compared with large fish, need to wait the grid beam 3 of being made by fish meal by the shoal of fish edible reef cave 2 that just can enter afterwards gradually, now spent the fry rearing initial stage, therefore can guarantee the survival rate of fry, now reef cave 2 also can be used as perching of fish that volume is larger and hides place.