46 results about "Ecologic study" patented technology

The invention discloses an air chamber for automatically measuring soil respiration, which belongs to the field of ecological research. The air chamber for automatic measurement of soil respiration is composed of an automatic opening device, a base, a measuring chamber and the like. It is driven by a small DC motor placed on the base to realize timing opening and closing during measurement. The measurement chamber consists of a hollow shell, which is divided into upper and lower parts. A temperature probe can be installed in the top center of the upper part of the shell to measure the temperature in the gas chamber. The two sides of the top inside the shell are provided with ventilation ports that communicate with the infrared gas analyzer. The upper part of the shell is equipped with a copper tube with holes; the lower part of the shell is buried in the soil, and the airtightness is realized by the plastic rubber ring when the upper and lower shells are closed; the air chamber for automatic measurement of soil respiration in the present invention can be used for infrared gas analysis. The instrument provides an analytical gas source to calculate the soil respiration rate; it can quickly provide multi-point measurements.

The invention provides an automatic remote termite monitoring system based on the internet of things. The automatic remote termite monitoring system comprises multiple termite monitoring devices, multiple automatic monitoring data collecting devices and an automatic remote monitoring subsystem; the termite monitoring devices are placed at different depths of the underground and used for storing baits to lure termites to be gathered, the automatic monitoring collecting devices are used for monitoring environmental data in shells and termite activity video data and sending an alarm signal when the fact that the environment data exceed the standard or the termite activities are abnormal is judged; the automatic remote monitoring subsystem is used for receiving the environmental data and the video data to form continuous termite monitoring history data and analyzing ecological feature information of termites by analyzing the influences of the environmental data on the termite activities according to the termite monitoring history data. According to the automatic remote termite monitoring system based on the internet of things, automatic acquiring and automatic analyzing of the related data needed by termite ecological study can be achieved, and the termite controlling effect and efficiency are significantly improved.

The invention relates to the field of ecological study, and provides a multichannel double-circulation soil carbon discharge delta13C observing system. The multichannel double-circulation soil carbon discharge delta13C observing system consists of a gas analyzing system and a circuit control system. The gas analyzing system comprises a discharging box, a box cover, a sampling pipe, an air pump, a three-way solenoid valve, a multichannel solenoid valve, a delta13C analyzer and a single chip microcomputer. The circuit control system is formed by connecting a power source, a control line, a switch and a contact according to a given circuit. With the adoption of the multichannel double-circulation soil carbon discharge delta13C observing system, automatic conversion and circular observation among a plurality of channels are realized, so as to remove interference of 'dead air' on an observing result, save observing time of each channel, and improve the efficiency and the accuracy of soil carbon discharge delta13C observation.

The invention relates to a measuring method of leaf area index, belonging to the ecological study field. The invention solves the problems of the prior art that the leaf area index measured by LAI-2000 has low accuracy, and the harvest method for measuring the leaf area index has large labor intensity and low efficiency. The method of the invention comprises the following steps: 1. placing an LAI-2000 plant canopy analyzer 3.5 away from the edge of a leaf, measuring under the condition that the measuring time is 10:00-14:00, the light Intensity is 8000-10000Lux, the wide speed is 7-level and the air humidity is 10-90%; 2. obtaining an effective leaf area index; and 3. substituting the effective leaf area index in the following formula: leaf area index of broad-leaved forest=1.5457*effective leaf area index-0.0414 or leaf area index of coniferous forest=0.9651*effective leaf area index+0.4115, thus completing the measurement of leaf area index. The method can increase the measuring efficiency, reduce the labor intensity and increase the accuracy.

The invention relates to a method for obtaining three-dimensional information by using the field depth of a planar picture. The method comprises the following steps: 1) firstly establishing a standard coordinate, adopting an established camera and a lens, additionally arranging a level gauge on the camera, shooting by adopting a triangular support, calculating the distance by using a tape measure on the ground, taking one picture for a range pole of a certain height at every same interval, and synthesizing the taken pictures so as to obtain a field depth unit within 0-50m; 2) carrying out the exponential regression fitting degree on the obtained data so as to obtain a field depth equation of the camera; and after obtaining the picture on the spot, calculating the number of pixel points of a tree in the picture by using the Photoshop software so as to obtain data on the height of the tree, the height of the crown, the diameter of the crown and the diameter at breast height. The invention innovatively provides a field depth method, the dimension of field depth is added into a two-dimensional picture, and three-dimensional information is read from an original planar picture; and the defects that the calculation is complex and the measurement is inaccurate due to the fact that a surveyor's rod or an ocular estimate method is used in existing ecology research are prevented.

The invention relates to the field of machinery for researches on aerology, hydrology and ecology, and provides a device for determining the evapotranspired hydrogen and oxygen isotope flux of an ecological system and the use of the device. The device consists of a gas acquisition system, a gas diversion system, a concentration determination system, a condensation-unfreezing system and an isotopeanalysis system. Atmospheric water samples of different levels are acquired, hydrogen and oxygen isotope radios Sigmav of the water samples are analyzed, determination of vapor concentration w and the acquisition of the atmospheric water samples are realized at the same time, and the evapotranspired hydrogen and oxygen isotope flux of the ecological system is calculated according to the hydrogen and oxygen isotope ratios of the water samples of the different levels and the vapor concentration.

The invention discloses a pond field experimentation device and a using method thereof and relates to a device for experimental study of pond water area ecology and a using method thereof. The problems that the water oxygenation effect is bad, the water inlet and drainage are inconvenient, fishes are difficult to escape and the requirements of experimental study of pond water area ecology cannot be met in the conventional field experimentation enclosure ecosystem are solved. The pond field experimentation device comprises waterproof cloth, a U-shaped pipe, an oxygenation aeration device, an anti-escape net, two filtering nets, two straight pipes, four upright rods and four transverse rods, wherein the four upright rods are arranged in an array; a cross rod is connected between two upright rods; and the four upright rods and four transverse rods form a square frame. The field enclosure experimentation method mainly comprises the following steps: 1, inserting the upright rods on the square frame into the bottom of the pond; 2, injecting water into the square frame with the waterproof cloth; 3, oxygenating and aerating in water; and 4, draining water in the square frame. The pond field experimentation device is used for research of pond water area ecology.

The invention discloses a method for measuring interflow in forest soil, and belongs to the field of forest soil ecological study. The method is characterized in that the system utilizes the soil profile and consists of an interflow flow collecting groove, a flow guide pipe and an interflow collector, wherein the flow collecting groove is embedded into a soil body in different layers of the soil profile, the interflow is collected, and the interflow is guided into the collector for completing the collection of the interflow. The method has the advantages that the structure is compact, the system is reasonable, the method is simple, the realization is easy, a scientific and reasonable small-dimension measuring system is provided for the study of the forest soil hydrology process, the moisture and nutrient balance and moving and the like, and greater popularization and application values are realized in the fields of forest soil ecology, forest hydrology, water and soil conservation and the like.

The invention relates to a forest precipitation station and belongs to the technical field of forest hydrology and ecology. The forest precipitation station comprises an above-forest total rainfall measuring device, a through fall measuring device and a trunk sap flow measuring device. The above-forest total rainfall measuring device comprises a ladder type high pole erected from the ground, whichis higher than a forest, a tipping-bucket rain recorder arranged at the top of the pole, and wire ropes used for fixing the high pole. The through fall measuring device comprises two main beams, sidebeams parallel to the main beams, side beams perpendicular to the main beams, two main poles, four side poles, a plurality of inclined beams, a plurality of handrails, two large funnels with filter screens, two buffering buckets, two hoses, two tipping-bucket rain recorders, and multiple layers of plastic cloths fixed via strong magnetic sheets. The trunk sap flow measuring device comprises trunk-mounted closure troughs, hoses and tipping-bucket rain recorders. The forest precipitation station can obtain more accurate canopy interceptions by accurately monitoring the above-forest total rainfall, the through fall and the trunk sap flow, thereby providing scientific bases for research of forest hydrology and ecology.

The invention relates to application of a method for cultivating water spinaches on a water surface in controlling sewage, which belongs to the field of engineering ecology studies. The water spinaches with very strong capacity of absorbing nitrogen, phosphonium and the like in a water body are adopted as the main body of an artificial biological floating island; by making use of the buoyant forceof hollow stalks, the water spinaches can float and grow on the water surface without any platforms to avoid the abuses of secondary pollutions to the artificial biological floating island, high manufacturing cost, time and labor wastes and the like, thereby effectively removing the over-high nitrogen and phosphonium concentrations in the water body to achieve the aim of controlling and restoringthe water body eutrophication. An area surrounded by bamboos and any other subjects or fences and the like which can float on the surface of the sewage is convenient for management and beautificationmolding, and the main vines after three times of picking are fished out for composting so as to avoid the secondary pollution to the water body caused by plant decay. The method for cultivating the water spinaches on the water surface can be used for controlling domestic sewage and paper making wastewater.

The invention belongs to the field of ecological studies and particularly relates to a plant leaf area print weighing in-vivo testing method. The method has no significant difference with an autoCAD (auto computer aided design) method in testing accuracy and can replace the autoCAD method to be used for plant leaf area testing. The technical scheme includes that the method includes the following steps: detecting and calculating paper density rho, coating markers on the whole back of a plant leaf to be tested, printing the whole shape of the leaf onto paper A to acquire a print graph of the leaf, cutting another empty paper B to make paper C in the shape of the print graph of the leaf, weighing the paper C to acquire mass m, and calculating to acquire area s of the leaf. Compared with conventional algorithms like a basic testing method or the autoCAD method, the plant leaf area print weighing in-vivo testing method has the advantages of simplicity in operation, low cost, no need to pick off the leaf, freeness of leaf damaging, conduciveness to sustainability studies and the like.

The invention provides a running water device for the physiological ecology research of shellfishes, which can solve the problems of unreasonable structure and specification, complex operation and difficulty in flow rate control of the running device in the prior art. The technical scheme is as follows: the running water device for the physiological ecology research of shellfishes comprises a shunting master control pipe and a plurality of running water slots, wherein the shunting master control pipe is connected with the running water slots by hoses. The running water device disclosed by theinvention has the advantages of reasonable structure, strong flow rate controllability and strong function, has small disturbance on living beings and is simple to operate and use, the phenomenon that water is reused or is not used can be avoided as much as possible, and biological sediments can be prevented from running off.

The invention belongs to the field of winter ecological studies, and relates to a soil frozen depth measuring device. The soil frozen depth measuring device comprises a PVC sealing plug 1, a methyleneblue solution 2, a transparent PVC tube 4 and scale lines 3 arranged on the outer wall of the transparent PVC tube 4, wherein the PVC sealing plug 1 plays a sealing role; the concentration of the methylene blue solution 2 is 2 percent; the length of the transparent PVC tube 4 can be selected according to a desired measuring depth; when a measuring depth is within 1 to 2 m, a hard transparent PVCtube 4 can be used for directly measuring the measuring depth; and when a measuring depth is more than 2 m, a soft transparent PVC tube 4 extends into a perforating position, so as to facilitate taking out and measurement. The invention further relates to a soil frozen depth measuring method. The device and the method of the invention are low in cost, good in frozen measuring effect, accurate in data, convenient to use, operate and store, and are suitable for prairie field experiments.

The invention provides a method of measuring an area of a leaf of a plant and belongs to the technical field of physiological plant ecology research. The method comprises the steps of collecting a leaf of a plant, taking a photo of the leaf of the plant, converting the photo format, determining TIC point coordinates, identifying the photo by using eCognition software, reading the length, the widthand the topology of the leaf by using a scaleplate in the ArcMap and obtaining data to obtain the leaf area. The method is low in cost, flexible to operate and precise in measurement, saves time, solves the problem of irregular leaf and small leaf area measurement and calculation efficiently, reduces artificial error and can be stored independently and read again. The method can measure the leafarea of any plant leaf, is very convenient to operate outdoors and can measure a large number of samples. A computer directly measures the line and plane information, so that the method well reduces error caused by subjective influence; and each built vector files can be stored independently and read again for next convenient use.

The invention discloses a folding rat trap cage for scientific research. The folding rat trap cage is formed by a cage body, a picking rod, a picking rod head, a bait hook, a lock ring, a spring, a front cover, a rear cover, a handle lock catch, cage grids, cross rods and a hidden box for protecting a rat; the cage can realize the rat trapping function and can be folded to be flat; the hidden box of the rat trap cage can realize the effect of protecting the rat under the severe conditions. In the animal ecological study, the rat with a healthy posture in the wild often needs to be trapped as a study object, and the rat is normally trapped at night and gets sick or dies if the rat encounters the severe weather at night, and cannot be used as the scientific search any more; the folding rat trap for the scientific research has the advantages that 1, the rat trapping need can be met; 2, the rat can be protected under the severe weather, so the posture condition need of the rat for scientific research is met, and the folding rat trap for scientific research has very large value in the aspect of scientific research.

The invention provides a data processing method and device. A species distribution model is run according to collected species records and environment data to obtain a species distribution probabilitygraph; then the species distribution probability graph is rasterized to obtain a species distribution threshold value; then the species distribution probability graph is binarized to obtain a speciesdistribution graph layer; and finally, the species distribution graph layer is tailored according to species habitat types to obtain a species habitat distribution graph. According to the species habitat distribution graph obtained through the above-mentioned processing process, accuracy is high, true geographical distribution information of a species can be accurately reflected, and thus a morepractical information basis can be provided for ecological research and designation of a protection strategy.

The invention belongs to resource and environment engineering technical area, which involves the manufacture method of a disassemble portable gas collection device. The device contains stainless steel support system, a cover, an airproof system, a gas transmit system and the accessories. Most parts is disassembled, ití» easy to assemble in the open. This invention can be used as a gas collection device in environment air measurement and ecology research.

The invention discloses a simulation three-dimensional incubator and a culture method for mouth mucosa epithelial cells and applications of the incubator and the culture method. The incubator comprises a single or a plurality of basic structural units, wherein each basic structural unit consists of an inner container and an outer container which are tightly nested with each other, and are prepared from an organic material for cell culture; and the bottom of the inner container consists of a permeable supporting film, and a certain gap is formed between the bottom of the inner container and the bottom of the outer container. The incubator takes the factors of nutrient supply of the mouth mucosa epithelial cells, blood vessels and blood vessel endothelial cells into account, and the growing environment of the mouth mucosa epithelial cells in the incubator is close to that in a human body, so that the incubator can be used for physiological, pharmacological, toxicological and micro-ecological studies of mouth mucosas, and can also be used for constructing human tissue engineering mouth mucosas and repairing and reconstructing mucosal coloboma. The new technology of the simulation three-dimensional incubator promotes an in vitro culture model of a mouth mucosa to a new height, so that related studies are closer to clinical practices.

The invention discloses a uniform grid positioning seed sowing method based on crop ecology experiments. The method comprises the following steps: 1) laying out small cell seedling beds; 2) customizing and laying grids; 3) encoding the grids, and confirming a seed sowing scheme; 4) sowing seeds into the grids; 5) thinning seedlings after seedling emergence; 6) carrying out sampling. By adopting the method, positions of individual plants can be accurately positioned through the grids, seeds can be uniformly sown, distances and seed sowing depths of individual seedlings of wheat can be determined, and advantages of uniform and equal seedling distances, uniform individual sizes and accurate individual plant positions after wheat seedling emergence are achieved. The method disclosed by the invention is easy to operate, provides a scientific basis for studying interactions of individuals in a crop population and relationships of population behaviors and studying interactions of individual plants and ecological study on dense planting plants, and has popularization values.

A specific molecular marker of verticillium chlamydosporium ZK7 strain and its application are disclosed. The RAPD PCR amplification is used for molecular fingerprint analysis and comparison of said ZK7 strain, different reference strains and the fungus frequently encountered in soil to obtain the RAPD specific DNA fragments Vc 1200 and Vc 2000, which are then recovered, purified, cloned and sequenced. The specific primer SCAR-PCR is designed for PCR amplification. Said Vc 1200 and Vc2000 are marked by digoxin to obtain hybridization probes, which are used for the spot hydridization with the DNA extracted from the soil where the ZK7 strain is applied, so specifically detecting if there is ZK7 strain in soil and its quantity.

The invention provides an experimental device for marine organism physiological ecology study. The experimental device comprises experimental tanks. Each experimental tank comprises a cylindrical tankbody in horizontal arrangement, wherein the tank body is hollow internally, a first end cover is detachably connected to one end of the tank body while a second end cover is arranged at the other endof the tank body, the tank body is internally provided with meshes, the second end cover is provided with a water inlet, the tank body is provided with a water outlet, the lower portion of the firstend cover is provided with a sediment sampling port which is internally provided with a seal plug, and the sediment sampling port is connected with a sediment sampling tube which comprises a samplingsection, an operating section and a connection section. The experimental device has advantages that real-time separation of organisms and sediments (such as excrement and pseudofeces) is realized, sediment sampling is realized through the sediment sampling tubes, convenience in operation, low experiment organism interference and water flow smoothness and uniformity are realized, normal physiological functions of experimental organisms are completely guaranteed, and simple structure, reasonable design and accuracy in experimental result are realized.

The invention relates to the technical field of trapping in ecological study of birds, in particular to a directional trapping system and trapping method for birds. The directional trapping system forthe birds comprises an image acquisition unit, an identifying and matching unit and a bird trapping device, wherein the image acquisition unit is used for acquiring a trap area image of a trap area position; the identifying and matching unit is used for identifying a to-be-identified bird image appearing in the trap area image, then matching the to-be-identified bird image with a target trap birdimage and giving a capture instruction when matching is successful; and the bird trapping device is arranged at the trap area position and is used for executing a capture action when receiving the capture instruction to capture the birds in a trap area. According to the directional trapping system and trapping method for the birds provided by the invention, the trapping accuracy and the trappingefficiency can be balanced, and meanwhile, the damage to the birds is avoided.

The invention relates to a non-rotary type insect detection radar based on surface imaging laser radars and a method; the non-rotary type insect detection radar comprises a plurality of surface imaging laser radars, a fixed column and a data transmission module; the plurality of surface imaging laser radars are same in structure; the data transmission module is arranged on the top of the fixed column; the plurality of surface imaging laser radars are placed on one horizontal plane, and fixed on the top of the fixed column and below the data transmission module; signals formed by the pluralityof surface imaging laser radars are transmitted to a remote base station or a host computer in real time through the data transmission module. The surface imaging laser radar is in a non-rotary type,and can detect the whole optical surface in a large angle scope, thus realizing faster responses and providing more stable results; the non-rotary type insect detection radar can accurately record theinsect flew over time and positions, can determine the insect types, and is used for quantitatively analyzing the quantity, type and position information of insects flew over the laser radar detectedplane, thus providing data support for the ecology researches.

The invention relates to a feeding and propagation-expanding method for chelisodochidae. The feeding and propagation-expanding method for the chelisodochidae comprises the following steps of keeping the temperature of a propagation house which is a dark room without light in a range of 22-26 DEG C and keeping the relative humidity of the propagation house in a range of 65%-85%; pairing female chelisodochidae and male chelisodochidae in chelisodochidae raising bottles to lay eggs; placing coconut leaves in the chelisodochidae raising bottles serving as living environments of the chelisodochidae and feeding larvae of yellow mealworms with the age below three to the chelisodochidae; taking out adults of the female chelisodochidae and the male chelisodochidae when larvae of the chelisodochidae grow to the age of three and can eat food independently to perform a next process of pairing, egg laying and propagation expanding; feeding the larvae of the chelisodochidae with the age of three in the chelisodochidae raising bottles in groups; and performing a new process of propagation expanding after the larvae of the chelisodochidae grow into adults. The feeding and propagation-expanding method for the chelisodochidae is simple and feasible; propagation of the chelisodochidae can be expanded effectively; and the obtained chelisodochidae can be used for research on biology, behavioristics and ecology, and can also serve as natural enemies of brontispa longissima to perform effective biological control. The feeding and propagation-expanding method for the chelisodochidae has the advantages that the larvae of the yellow mealworms with the age below three serve as the food of the chelisodochidae, so that the cost is reduced; and the feeding and propagation-expanding method is easy to operate and practical, and can be used for continuously propagating chelisodochidae with different ages in batches in a balanced manner.

The invention provides a running water device for the physiological ecology research of shellfishes, which can solve the problems of unreasonable structure and specification, complex operation and difficulty in flow rate control of the running device in the prior art. The technical scheme is as follows: the running water device for the physiological ecology research of shellfishes comprises a shunting master control pipe and a plurality of running water slots, wherein the shunting master control pipe is connected with the running water slots by hoses. The running water device disclosed by theinvention has the advantages of reasonable structure, strong flow rate controllability and strong function, has small disturbance on living beings and is simple to operate and use, the phenomenon that water is reused or is not used can be avoided as much as possible, and biological sediments can be prevented from running off.

The invention relates to an experimental device in the study of plant physiology and ecology, in particular to a rapid blade transfer device for finely measuring fresh weight. A quick blade transfer device for accurate fresh weight measurement, comprising a tank body, the tank body is provided with an end cover and a handle, the inner wall of the tank is provided with a filter mesh-shaped interlayer, and the gap between the filter mesh-shaped interlayer and the inner wall of the tank is There is a gap; the tank body is provided with a hemispherical bracket, and the hemispherical bracket is hinged with the tank body through the hinge shafts on both sides. There is a disc bayonet, and a card is embedded in the bayonet. The upper part of the card is connected to the drawbar. The upper part of the drawbar is connected to a shrapnel, and the connecting end of the shrapnel and the drawbar is hinged with the handle. The invention has a reasonable structure, makes the invention easy to operate, prevents the influence of the external environment on the water content of the leaves, and accurately measures the fresh weight of the leaves.