175 results about "Ecological monitoring" patented technology

The invention discloses an ecological monitoring information management and pre-warning system for river-communicating lakes. The system comprises a hydrological module, a water quality and water ecology module, a river beach ecology system module, a species diversity module, a multi-element information mining module and a risk assessment pre-warning and analysis module, wherein the risk assessment pre-warning and analysis module comprises a low-water-level pre-warning module, a species diversity pre-warning module and a eutrophication risk assessment and pre-warning module. According to the system, modern information management functions of data and information electronic storage, data dynamic acquisition and transmission, intelligent query, information display and the like can be realized; the effect of analyzing heterogeneity and diversity of data and ecological characteristics of the data is good; and a monitoring result can be subjected to automatic determination and real-time pre-warning.

The invention belongs to the technical field of zoology and remote sensing information science and relates to a distributed remote sensing data organization query method based on the NoSQL database. The method includes the steps: preprocessing an original remote sensing data file, and outputting an initial remote sensing image file according to an appointed format, extracting data of each pixel and data element information in the initial remote sensing image file; reconstructing the extracted data of each pixel and data element information as unstructured text data; storing the unstructured text data in the distributed NoSQL database, and setting up query indexes; and returning corresponding remote sensing data to users according to query conditions inputted by the users, and regenerating image files. The distributed remote sensing data organization query method based on the NoSQL database can be used for effectively storing and managing massive remote sensing data and can be applied to correlated fields of remote sensing ecological monitoring, species distribution forecast, remote sensing data inversion and the like.

The invention discloses a data management system based on river ecological monitoring. The data management system comprises an ecological monitoring and evaluating module, a data management platform and a forecasting and early warning module, wherein the ecological monitoring and evaluating module is used for evaluating monitored river monitoring data according to multiple evaluation indicators to obtain an ecological monitoring and evaluating result of a river, and the ecological monitoring and evaluating result comprises the health condition, existing problems and development trend of a river ecological system; the data management platform can be used for managing the monitored river monitoring data and taking the ecological monitoring and evaluating result as shared data to realize information sharing and communication; and the forecasting and early warning module is used for forecasting and early warning the river based on the river monitoring data and the ecological monitoring and evaluating result. The data management system can be used for accurately and comprehensively evaluating the repair or maintenance effect of the river ecological system, thus comprehensively judging the ecological regime of the river from multiple aspects, and forecasting and early warning different emergencies.

The invention relates to a buoy device for marine ecological monitoring and particularly relates to a buoy device with an image collection function, belonging to the technical field of marine ecological monitoring. The buoy device structurally comprises a buoy mother body, a buoy son body and an anchor fixing device, wherein the anchor fixing device is of a suspended cable structure, the lower endof the buoy mother body is connected with the upper end of a suspended cable, the buoy son body is arranged on the suspended cable and can move up and down along the suspended cable, data is transmitted between the buoy mother body and the buoy son body through a data communication line, and the buoy mother body is in data communication with a remote station through a satellite data communicationmodule. The buoy mother body and the buoy son body are separated, and the buoy son body moves up and down on the suspended cable, so that various monitored data at different depths in ocean can be conveniently collected, marine ecological parameter information at different water depths can be collected, and the real-time data transmission can be realized.

The invention relates to a device for rapidly culturing biological films in natural water body, which consists of a disc carrier and an active carbon fiber fixing disc, wherein the disc carrier comprises discs (1), a fixed column (2), a rope penetrating hole (3) and a connecting hole (4); an active carbon fiber fixing device comprises a ring-shaped gasket (5), a fixed hole (6) and active carbon fiber (7); the active carbon fiber fixing disc is fixed on the disc carrier by a fixing rope (8) through the rope penetrating hole (3); and the discs are connected with each other by the fixing rope (8) through a connecting hole (4). The device is mainly used for rapidly culturing the biological films in natural water body in batches. The device can be used for culturing the biological films which are even and close to the natural condition, have high quality, and are used for ecological monitoring, can shortens the cultivation time to be more than 20 days, and can culture the biological films at the different depths in the water body at the same time.

The embodiment of the invention provides a wireless multimedia sensor node system oriented to the field ecological monitoring. By virtue of a wireless multimedia sensor network in the shape of a net or a tree or a star or a cluster, a wireless multimedia sensor of the system sends the acquired multimedia information of a field environment after data processing and data fusion to a central monitoring station through a gateway node; and a solar photovoltaic generating set selects a charging strategy of constant voltage or constant current or maximum power point tracking or trickling charge by monitoring the electrical quantity of a storage battery in a real time manner, and provides proper voltage to each part of the wireless multimedia sensor through a DC-DC conversion circuit. The wireless multimedia sensor node system has low design cost, low power consumption and perfect function, can be suitably arranged in the field environment in large quantities, and can achieve better coverage; and meanwhile, the system is supplied electricity by a solar battery, so that the problem that the energy is limited when the wireless sensor network is arranged in the field can be solved.

The invention relates to the field of radio-ecological monitoring, in particular to a method for measuring the content of radionuclides in components of the environment. The technical result is enhancement of the sensitivity of liquid scintillation analysis of radionuclides with low activity in the presence of radionuclides with high activity. Selection and preparation of a sample for measurements are carried out, the spectrum of the sample is measured and recorded, the measured spectrum Pi is grouped, model spectrum Mi=SIGMAcj Mij, wherein cj designates relative contributions of base spectra of radionuclides in the model spectrum, is created on the basis of a library of base spectra of radionuclides Mij, where i is the No. of the group, j is the index of the radionuclide, and the content of the radionuclides in the sample is determined, minimizing the deviation of the model spectrum Mi from the measured spectrum Pi in accordance with the expressionwhere delta is a coefficient determining stability of the minimization process.

The invention discloses a construction method and a construction device of a wireless sensor network interaction deployment platform. According to the construction method and the construction device of the wireless sensor network interaction deployment platform, the deployment and the design of a wireless sensor network are digitalized, firstly a virtual environment is built through a digital modeling mode, then modeling is conducted to different types of nodes such as wireless sensors and routers, further, an interaction design approach based on multi-point touch control is offered to a user, in the period, a designer can use certain mature algorithms or conduct manual deployment, and the connectivity of the wireless sensor network and the coverage of the wireless sensor network are verified in real time in a deployment process. The construction method and the construction device of the wireless sensor network interaction deployment platform can be directly used for various occasions which need to be built with wireless sensor networks and include environment monitoring and biological monitoring, intelligent factories, intelligent communities, and the like.

The invention discloses a water body plankton intelligent monitoring platform integrating Internet of Things, comprising a water taking unit, a remote control and detection unit, an image collection unit, a water quality and hydrology detection unit and a remote monitoring and data processing unit. The monitoring method comprises the following steps: 1. collection of water sample in the field; 2.system debugging and cleaning of a detection passage; 3. sample detection and image collection and uploading; 4. image processing in a remote server; and 5. remote detection of water quality and waterpower data and data transmission. According to the intelligent monitoring platform, a microscope is combined with high speed image collection, Internet of Things and plankton image identification software to construct a set of complete water body plankton intelligent monitoring system. The method breaks through the defects that aquatic organisms monitoring is indirectly realized by only monitoring water quality physical and chemical indexes such as chlorophyll and pH in the water body through the current Internet of Things based water ecological monitoring and the constructed water bloom early warning system is relatively rough.

The invention discloses a greenhouse wireless remote plant eco-physiology monitoring system based on ZigBee and a 3G network. The system comprises a remote control terminal, a communication link, a data acquisition terminal, a power supply module, a ZigBee sub-node module and a ZigBee central main node, wherein the remote control terminal is connected with a PC (Personnel Computer) of the 3G network, a history database for operating storage data inside the PC and a decision support system; the communication link comprises a ZigBee short-range wireless communication network and a 3G remote wireless network; the data acquisition terminal comprises a group of sensors for acquiring plant eco-physiology parameters; the power supply module is used for supplying a working power supply to an instrument; the ZigBee sub-node module comprises ZigBee sub-nodes for data acquisition of each sensor and is connected with the power supply module; the ZigBee central main node is used for collecting plant eco-physiology parameters acquired by each measuring sub-node and is connected with the power supply module; and each sensor for acquiring the plant eco-physiology parameters is connected with the ZigBee sub-node module. The system is used for realizing long-distance wireless monitoring of plant eco-physiology parameters such as soil temperature, moisture, leaf temperature, photosynthesis, stalk growth and the like at a measuring point.

The invention discloses a bird and frog intelligent monitoring method based on deep learning, which is used for remote wireless ecological monitoring. The method comprises: arranging an outdoor soundacquisition device in a monitoring area, wherein the outdoor sound acquisition device is triggered by a sound triggering module to acquire a bird sound and a frog sound; allowing a wireless communication module to wirelessly transmit an audio file of the bird sound the frog sound to a computer server; allowing the computer server to convert the audio file of the bird sound and the frog sound intoa visual sonogram and performing pre-processing; allowing the computer server to perform image recognition and statistical analysis on the sonogram; and generating a daily monitoring form. The bird and frog intelligent monitoring method compensates for the problems that in manual ecological monitoring, the human and material cost is high, the monitoring time and frequency are limited, the data processing efficiency is low, and requirements of species for professional skills of a recognition person are high, and can be used for long-term ecological monitoring of natural protection sites.

The present invention provides a graphite aluminum-magnesium alloy grounding material which is obtained through the following steps: placing the graphite into a mixed solution of hydrochloric acid and nitric acid for immersing and acid washing twice for changing the inner structure, after rinsing until the pH value gets to 7.0, dewatering for high-temperature swelling, expanding the graphite worm to 50-70 times of normal volume; adding magnesium powder, aluminum powder, manganese powder and zinc powder, mixing to uniform; executing extrusion forming to the graphite worm under the pressure of 5-8MPa for forming a graphite worm bland; and executing high temperature sintering. According to the invention, the graphite is added with metallic ions of magnesium, aluminum, manganese and zinc. The graphite aluminum-magnesium alloy grounding material of the invention has the advantages of stable resistance value of product, good corrosion resistance, cathodic protection provided for the main grounding system, effectively reduced grounding resistance and delayed corrosion efficiency of main grounding network. The graphite aluminum-magnesium alloy grounding material of the invention is suitable for the grounding of high soil resistivity areas (mountain area, sand land, etc.) including the tower of transmission line, meteorological station and ecological monitoring station.

The invention relates to an agriculture and forestry ecological monitoring and maintaining robot. The agriculture and forestry ecological monitoring and maintaining robot is designed by an intelligentvehicle body system, a camera shooting acquisition system, an infrared detection system, an ultrasonic detection system, a drug injection system and a control system. Due to the camera shooting acquisition system, the infrared detection system and the ultrasonic detection system designed on an all-terrain vehicle, existence of animals is detected; the control system is used for guiding movement of the terrain vehicle along a positioning path and guiding the drug injection system of a vehicle body to give out drug poison needles to kill the animals within the shortest distance; and meanwhile,the camera shooting acquisition system is used for completing acquisition of growing images of species of the whole forest land and acquisition of carcass images of dead animals, and an injector is made to complete carcass sample information collection through a manipulator to provide conditions for species analysis of the land section. The robot is simple in structural design, environment-friendly and capable of saving energy, and effective solving measures are provided for removing and killing of animals harmful to agriculture and forestry growth.

The invention belongs to the field of ecology and biology, and discloses an open-pit mine ecological restoration method based on biodiversity. The method is based on ecological degradation mechanism analysis, ecological restoration target and range setting, ecological restoration scheme design based on biodiversity, ecological restoration engineering implementation, ecological monitoring and ecological restoration effect evaluation. The design of a mining area ecological restoration system is performed to provide a method support for ecological restoration of an open pit mine. Biodiversity and ecological characteristics of a mining area and surrounding areas are fully considered, a mine ecological restoration method system based on biodiversity is integrated, vegetation remodeling is performed by utilizing a regional vegetation succession rule, ecological restoration restriction factors are found out by utilizing ecological degradation mechanism analysis, a 'one-area-one-strategy 'measure is formulated, mining area ecological restoration is performed according to local conditions, self-succession of a mining area ecological system is finally achieved, and the method is simple and easy to implement and has popularization value.

The invention discloses a remote sensing soil moisture monitoring method based on an STARFM fusion technology. The method mainly comprises the following steps: step 1, preprocessing CCD data of an HJ satellite according to TM and ETM data; step 2, performing pixel-by-pixel atmospheric correction on the HJ satellite by utilizing an atmospheric radiation transmission model MODTRAN4; step 3, preprocessing MODIS data; step 4, searching similar pixels, and calculating the similar pixel weight and conversion coefficient of the HJ satellite data and the MODIS data; and step 5, predicting based on an STARFM fusion algorithm. According to the STARFM fusion method, the HJ satellite data and the MODIS data are comprehensively utilized, a drought monitoring effect with high temporal-spatial resolution is achieved, the problems that single satellite MODIS data is low in spatial resolution and the HJ satellite cannot be observed day by day are solved, the inverted time resolution is improved to one day, the soil moisture monitoring spatial resolution is improved to 30 meters, and the remote sensing soil moisture monitoring method has significant application values in the fields of agriculture, water conservancy, environmental protection and ecological monitoring.

The invention provides a system for monitoring the intensity and the distribution of birdsongs in the wild. The system comprises a standing wave pickup microphone array, a control processing unit, a wireless data transmission unit and a display and control unit which are sequentially connected in order; the standing wave pickup microphone array is connected with the control processing unit by using a cable; the control processing unit is arranged in a waterproof housing; the standing wave pickup microphone array and the control processing unit are arranged at a monitoring node in the wild, a plurality of birdsong signals in the wild are collected and processed, and an optimal total birdsong signal is obtained; and the optimal total birdsong signal is transmitted to the display and controlunit through the wireless data transmission unit. According to the system provided by the present invention, unattended automatic remote monitoring of the birdsongs is realized, a rapid response of bird behavioral monitoring is solved, the technical bottleneck of remote automatic ecological monitoring of birds is broken through, and the system can be applied to bird and ecological environment monitoring in special environments such as islands, wetlands and the like.

The invention relates to the technical field of shipbuilding, and discloses a seawater collection system and a scientific investigation ship. The seawater collection system comprises a first water taking pipeline assembly and a second water taking pipeline assembly which are connected in parallel; the first water taking pipeline assembly comprises a first filter and a first liquid pump which are connected, and the liquid inlet of the first filter communicates with the first water taking opening in the bottom of the ship body. The second water taking pipeline assembly comprises a second filterand a second liquid pump which are connected, and the liquid inlet of the second filter communicates with the second water taking opening in the broadside of the ship body. The liquid outlets of the first liquid pump and the second liquid pump are communicated with a water ecological monitoring station on the ship body through liquid outlet pipes. According to the seawater collection system, two sets of water taking pipeline assemblies are arranged, surface seawater can be collected at the bottom of the ship body and the broadside of the ship body respectively, when one path is blocked by crushed ice, the other path can be switched on to continue to take water, and the continuity of the seawater collection process is ensured. The scientific investigation ship adopts the seawater collectionsystem, and the seawater collection efficiency is higher.

The invention discloses a multi-claw retractable wheel obstacle-negotiation mechanism and a control mechanism thereof, belongs to the field of mobile obstacle-negotiation robot walking mechanisms and provides an obstacle-negotiation mechanism with a concise expanding, retracting and rotating structure and a control mechanism of the obstacle-negotiation mechanism. The technical scheme is that a bevel pinion is fixed at one end of a lead screw, the other end of the lead screw extends into a round bush, and an axial long hole is formed in the middle of the round bush and is taken as a guiding groove; a large conical gear is fixed at one end, close to the bevel pinion, of the round bush, a fixed disc is fixed at the other end of the round bush, and a movable disc is movably mounted in the middle of the round bush in a sleeving manner; a sliding block is fixed on a screw nut of the lead screw and connected with the movable disc through a sliding block bolt; at least three retractable legs are uniformly distributed and hinged in the circumferential direction of the movable disc, supporting legs in one-to-one correspondence with the retractable legs are uniformly distributed and hinged in the circumferential direction of the fixed disc, and each supporting leg is hinged with the middle of the corresponding retractable leg. The multi-claw retractable wheel obstacle-negotiation mechanism and the control mechanism thereof are suitable for the fields of disaster relief, rush emergency, ecological monitoring, outdoor exploration, military matters and the like.

The invention discloses a bird small target detection method based on density map estimation, and relates to the ecological monitoring technology based on computer vision. The bird small target detection method comprises a training stage and a detection stage, including learning a density map by utilizing a method based on instance learning, estimating the position of a bird small target on the density map through a sliding window and a method for solving a local extreme value in the window, carrying out super-pixel-based bounding box estimation, and realizing bird small target detection under a small sample training set. The bird small target detection method reduces the dependence on the scale of the training set while reducing the manual marking work of a large number of tedious training samples, can preferably match the shape and the contour of a small target, and is high in the detection precision.

The embodiment of the invention provides a river channel ecological monitoring system and method, and relates to the technical field of water ecological environment research. A detector module in a system is installed in a monitoring water area, sound wave signal sources are fixed on fish bodies in the monitoring water area, a signal receiver is electrically connected with the detector module, thesignal receiver is connected with a monitoring terminal, the detector module is configured to receive sound wave signals corresponding to the sound wave signal sources and send the sound wave signalsto the signal receiver, the signal receiver forwards the received sound wave signals to the monitoring terminal, and the monitoring terminal performs processing of the sound wave signals to obtain atwo-dimensional track and a three-dimensional track corresponding to each sound wave signal source. The river channel ecological monitoring system and method can more accurately determine a state of afish group through the obtained tracks and can more accurately obtain behavior response indexes of the fish group for environment change so as to achieve more accurate monitoring of an ecological condition of a river channel where the fish group live. The river channel ecological monitoring system and method have very important meaning of the water ecological environment research.

The invention discloses a grassland ecological monitoring method and system. The method comprises the steps: obtaining a monitoring parameter information set according to a first grassland geographic position feature and first grassland area information; according to the monitoring parameter information set and a camera device, obtaining matching camera equipment; obtaining first image information by the matching camera equipment; obtaining a preset partition standard; partitioning the first image information according to the preset partitioning standard to obtain a first grassland geographic position feature; obtaining parameter image feature information according to the first monitoring parameter of a first grassland; carrying out feature traversal comparison on each image partition in the first image partition set in sequence according to the parameter image feature information to obtain a first comparison result; and judging whether the first comparison result meets a preset parameter threshold, and if the first comparison result does not meet a preset parameter threshold, obtaining first reminding information. The technical problem that the grassland is damaged and gradually reduced due to the lack of scientific and effective grassland real-time monitoring and control in the prior art is solved.