134 results about "Terrestrial plant" patented technology

The cultivation of terrestrial plants in brackish water or seawater is carried out with this invention. A light-weight, floating growth medium package (FGMP) or, alternatively, a sheet of suitable material is used to support the growth of terrestrial plants floating on water bodies of various salinity, including 100% seawater in marine environments. The FGMP units can be linked together and confined in a floating, rigid or flexible framework to form a floating seawater cultivation platform (FSCP). Using the method, plants were able to grow and thrive on the FSCP floating on 100% seawater in a sustainable manner. Halophytic akulikuli (Sesuvium portulacastrum L.) can regenerate its shoot and root in seawater. Thus, the discovery will enable us to practice marine agriculture, or agriculture on the sea. The FSCP can be used for wide range of purposes, from environmental protection to landscaping to crop production.

The invention relates to the field of ecological environment monitoring, and discloses a terrestrial plant ecological environment monitoring method based on multi-source remote sensing data fusion, which is used for realizing identification, classification and dynamic monitoring of vegetation types in a target area more efficiently. An unmanned aerial vehicle is used for vertically shooting a target area, and unmanned aerial vehicle remote sensing three-dimensional modeling is generated; Obtaining a spectral remote sensing image of a target area through satellite remote sensing, and fusing thesatellite remote sensing image with a model generated by unmanned aerial vehicle remote sensing three-dimensional modeling; Calculating and segmenting the fused image; Determining characteristic parameter indexes participating in object-oriented classification, and classifying and extracting monitored vegetation types; Constructing a confusion matrix, evaluating the classification precision by using the confusion matrix, and extracting the area size and distribution condition of each type of vegetation; Finally, the classification results of the two stages are subjected to superposition comparison analysis, and the dynamic change ranges and areas of different vegetation types are calculated. The method is suitable for terrestrial plant ecological environment monitoring.

The invention relates to a method for realizing harmless comprehensive treatment of human excrements through adopting biotechnology, in particular to a comprehensive technology used for the harmless centralized treatment of human excrements in urban areas. The method comprises the following steps that: (1) human excrements, aquatic plants and terrestrial plants are added in a fermenter, and then a composite strain mixed solution of microzyme, bacillus and lactobacillus is fed into the fermenter so as to carry out aerobic fermentation and anaerobic fermentation in turn; (2) the biogas generated during fermentation is fed into a biogas generating set so as to generate electricity; (3) the products after fermentation undergoes solid-liquid separation, and the solid fermentation products are made into solid organic fertilizer through dewatering, drying, preparation and regranulation; (4) the liquid fermentation products is obtained after solid-liquid separation undergo decoloring, filtration and settlement layering, in the liquid, the sublayer liquid in the solution is made into liquid organic fertilizer through coarse filtration, secondary filtration, sterilization and preparation and the supernatant is made into rinsing meeting effluent standard through aeration and settlement filtration. The method can realize clean, environment-friendly and energy-saving ecological production.

An inexpensive aquaponic conversion kit for aquariums that uses a combination of mechanical, biological, and chemical filtration components along with terrestrial plants to filter aquarium water. The system includes a funnel shaped undergravel filter that concentrates solid waste towards an airlift pump that transports solid and liquid waste into a planter containing terrestrial plants. These waste nutrients are trapped in the planter in layers of activated carbon and filamentous material that adsorb and trap waste particles where the roots of plants turn the waste into biological material and aid in cleaning the tank. A grow light and hood are able to be attached to a bracket at the back of the planter to grow healthy plants.

An inexpensive, complete integrated aquaponic aquarium system that uses air pressure to pump water and waste from the bottom of an aquarium into a planter where terrestrial plants are grown. Included in this system is an aquarium lighting system, unique undergravel funnel filter system, grow lights, aquarium heater, and a power regulation system that turns the grow light on and off in regular intervals.

The invention relates to the field of ecological environment monitoring, and discloses a vegetation classification method based on a machine learning algorithm and multi-source remote sensing data fusion, which is used for efficiently realizing identification and classification of vegetation types in a target area. The method comprises the following steps: acquiring a low-altitude remote sensing image of terrestrial plants in a sample area by using an unmanned aerial vehicle, and acquiring a digital orthoimage and a digital surface model of the sample area based on the low-altitude remote sensing image; extracting elevation information of the digital surface model; acquiring an SAR image of a sample region corresponding to the aerial photography time of the unmanned aerial vehicle by utilizing satellite remote sensing; carrying out wave band and image fusion on the digital orthoimage, the elevation information and the SAR image; performing inversion model training and inversion model precision evaluation on the fused image through sample area actual measurement data and a machine learning algorithm to obtain an inversion model meeting requirements; and finally, classifying terrestrial plants in the target area based on the inversion model. The method is suitable for terrestrial plant ecological environment monitoring.

The invention provides an artificial wetland processing system constructed by ecological bags, which comprises a collecting tank, a wetland tank and a delivery tank, partition walls at the bottoms of the tanks, partition walls on the peripheries of the tanks, and partition walls among the tanks are constructed by the ecological bags; when the partition walls on the peripheries of the tanks and the partition walls among the tanks are piled up, the ecological bags on the same layer and among the bag layers are connected integrally by project connection buckles; a natural soil layer is arranged at the bottom of the wetland tank; emergent aquatic plants are planted on the natural soil layer; submerged plants are planted on the ecological bags at the underwater parts of the four walls of the wetland tank; terrestrial plants are planted on the ecological bags at the overwater parts; buoyant rafts are arranged on the water surface; buoyant raft aquatic plants are planted on the buoyant rafts. The artificial wetland processing system carries out the purification treatment on sewage through multiple effects of sedimentation, filtration, chemical precipitation, adsorption, decomposition, microbial metabolism, plant metabolism, plant root systems and the like, has the advantages of stereoscopic repair, high efficiency, no limitation from the field, environment protection and low carbon, convenience for construction, installation, maintenance and management, cost saving, and wide application prospect.

The invention belongs to the technical field of soil remediation, and in particular relates to an ecological remediation device for electroplating waste land polluted soil. The ecological remediation device comprises an ecological soil remediation pond, a nutrient liquid adjusting pond, a first atomizer and a first sucking pump, wherein the ecological soil remediation pond comprises a rainwater collecting tank positioned at the bottom and a polluted soil piling area positioned above the rainwater collecting tank; aquatic plants and terrestrial plants are planted in the polluted soil piling area; the rainwater collecting tank is connected with the nutrient liquid adjusting pond through a first pipeline; the nutrient liquid adjusting pond is connected with the first atomizer through a second pipeline; the first sucking pump is arranged on the second pipeline; the first atomizer is positioned above the polluted soil piling area. Compared with the prior art, the device has the characteristics of economy, environment-friendliness, high efficiency and short remediation period when being used for remedying electroplating waste land polluted soil. In addition, the invention further discloses an ecological remediation method for electroplating waste land polluted soil.

This invention provides an improved technical system for restoring deteriorated lakeside zone. The technical system comprises: utilizing variable-amplitude water level zone as the core, setting a certain range of land radiation zone and water radiation zone as the protective zone, clearing artificial interferences, restoring the base, stabilizing the bank slope, controlling near-bank wind and wave, improving large-area water body quality by using land plant floating bed technology, and improving water body transparency. The technical system selects local plant species as the pioneer species, and utilizes a combination of transplanting and introducing soil seed banks to restore and maintain the ecological system functions of lakeside zone. The technical system is highly adaptable to the environmental conditions, and has high operability and high ecological safety. The technical system can achieve good scenic effect during and after the restoration of lakeside zone.

The invention discloses a purifier for ecological restoration of a water body. The purifier comprises a floating island in the air, a floating island on the water and a floating island beneath the water, wherein the floating island in the air comprises a supporting framework and terrestrial plants arranged on the framework, the floating island on the water comprises a floating island unit and emergent plants, the floating island beneath the water comprises a microorganism biofilm forming member and submerged / floating-leaved plants, the floating island unit comprises a planting area for the emergent plants and a planting area for the submerged / floating-leaved plants, the supporting framework is arranged on a planting area for aquatic plants, the microorganism biofilm forming member is hung below the planting area for aquatic plants, and the submerged / floating-leaved plants are arranged in the planting area for the submerged / floating-leaved plants. The invention has the following advantages: a stereo ecological environment can be constructed according to growth needs of different plants, air in and above a water body can be purified at the same time, easy attachment of microorganisms is realized, which is beneficial for establishing good ecological balance, a multi-level structure has strong adaptability, and abundant landscape effects can be obtained.

The invention discloses a novel tunnel type nature fishway imitated fish-barring lifting device and relates to a fish passing facility for solving the upstream going problem of migratory fishes through a building across a river. The tunnel type nature fishway imitated fish-barring lifting device comprises a fishway inlet, a fishway inlet section, a tunnel connecting the inlet section with an outlet section, a fishway outlet and a fishway outlet section, wherein the fishway inlet and the fishway inlet section are connected with a downstream waterbed, the fishway outlet and the fishway outlet section are connected with an upstream reservoir. The tunnel type nature fishway imitated fish-barring lifting device comprises a fish-barring electric grid and a fish barring and collecting transfer system of a lifting transfer device. The tunnel type nature fishway imitated fish-barring lifting device is adopted for a water conservancy and hydropower junction in a high-mountain and defile region, can adapt to substantial change of reservoir water level and narrow-riverbed terrain, provides water temperature, flow and flowing speed suitable for migration of the migratory fishes, can simulate a natural aquatic environment of the river and decreases the excavated volume more remarkably, and no artificial high and steep slope is formed. In addition, a tunnel type imitated nature fishway is smaller in occupied area, water and soil loss caused by open cutting is reduced, and the influence on the ecological environment including terrestrial plants, animals and the like is smaller.

By the method, PVC, PE pipe are used to build planting plate on surface of water or in water and water surface floating gear which broken waste polyfoams are filled in, then to build closed siphonates or frames on different shapes and to build plant scene system, the plants are float plant, float leaf plant, submerged plant and terrestrial plant, all of the species are changeable, rottened and dead trees and leaves can be recovered, finally to fix, move and arrange the scene system.

The invention relates to a combined ecological floating bed and a culture method thereof. The combined ecological floating bed falls into an upper layer, a middle layer and a lower layer. The upper layer is an aquatic plant area for planting halophilous terrestrial plants, the middle layer is an aquatic animal area for culturing aquatic animals, and the lower layer is for free-range filter feeding shellfish. The combined ecological floating bed is formed by series connection of combined ecological floating bed monomers. The combined ecological floating bed monomers are connected in series and then fixed to a timber pile so as to form the combined ecological floating bed, the four corners and the central position of which are respectively connected to a floating ball. The combined ecological floating bed and the culture method provided by the invention can comprehensively utilize the space levels of seawater pond water, integrate microorganism and plant remediation, by extending the food chain of a floating bed ecological system and strengthening the microbial enrichment characteristics of the floating bed, reduce culture diseases, improve the comprehensive benefits of culture, and simultaneously perform in-situ remediation on water, regulate the content of nitrogen and phosphorus of water and the pH value, and improve the transparency, etc.

The invention discloses a dairy cow fermented feed. According to the dairy cow fermented feed, terrestrial alkaline plant resource froggrass is adopted as a raw material, microbial fermentation is used to produce the dairy cow fermented feed which has high content of protein and strong palatability, and is rich in probiotics of brewer's yeast, bacillus subtilis and the like, high-valued utilization of saline and alkaline terrestrial plant resource froggrass is achieved, and the disadvantage that dairy cow protein feed is scanty is solved. According to the dairy cow fermented feed, the froggrass is used as the raw material, seaweed residues, lucerne meal, straw, Chinese herbal medicine and the like are supplemented, and the dairy cow fermented feed is prepared through a technology of two-stage fermentation of a biological leavening agent; the dairy cow fermented feed is rich in probiotics of saccharomycetes, aspergillus niger, bacillus subtilis, brewer's yeast, lactic acid bacteria and the like, the content of the probiotics reaches up to 2-5*10<8>cfu / g, after the dairy cow fermented feed is used in cow breeding, immunity of the organism of a dairy cow can be remarkably improved, growth of the dairy cow can be promoted, milk yield can be increased, milk quality can be improved, and the dairy cow fermented feed has very high application and popularization value.

A method for cultivating the appreciative terrestrial plant in the water contained in the pot features that the root of said appreciative terrestrial plant is biologically treated by the plant growth regulator for inducing its root to grow the root system similar to that of aquatic plant, so the root system can be immersed in water for a long time.

The invention discloses a manufacturing method, a using method, characteristics and the effect of a multifunctional stereo ecological floating island and belongs to one technology in the field of ecological environment recovery. The multifunctional stereo ecological floating island is suitable for popularization in the urban water body recovery field. The multifunctional stereo ecological floating island is different from other plane ecological floating islands, is suitable for planting of common aquatic plants and a lot of terrestrial plants, the species of plants planted in the ecological floating island can be greatly increased, and water quality purification, urban greening and ecological effect are unified perfectly. The multifunctional stereo ecological floating island consists of three portions, wherein each portion consists of several parts which can be industrially produced, can be assembled and disassembled and is easy to operate and convenient to maintain. The multifunctional stereo ecological floating island is flexible in use and can be applied to various water bodies according to the actual conditions, and a using range of the ecological floating island is widened.

The invention relates to a collapsed loess district rain flood collecting and storing cascade artificial lake system and a design method. The system comprises an inlet adjusting desilting basin. The inlet adjusting desilting basin is connected with at least two artificial lakes with anti-collapse layers and anti-seepage layers. The artificial lakes are sequentially arrayed in the height direction to form a cascade and are connected. The lake of the lowest water level is provided with a recession subsystem. For the quite special geological conditions of collapsed loess, when modern anti-seepage and anti-leakage measures are taken, the cascade artificial lakes are adopted on the whole structure of the storing system, the size of each single artificial lake is controlled, and the larger water storage amount is achieved according to the limited bearing capacity of collapsed loess. During water storage flood prevention, aquatic plants and terrestrial plants are cultivated through the artificial lakes, so artificial beach lands and wet lands are formed; an artificial water landscape is established by means of water flow fall, the environment is improved, and places for ornamenting and sightseeing are provided for people.

The invention relates to a plant bank protection method, in particular to an artificial lake full open type plant bank protection method. The method comprises the following steps of: trimming lake banks into multi-step platforms with a width between 0.3 and 1.5 meters; planting aquatic plants on the platforms below an pre-impounded level of an artificial lake; planting hygrophyte on the platforms above an pre-impounded level; planting terrestrial plants and matched landscape plants on the platforms of the top layers; and forming a complete artificial lake bank protecting plant community by a plurality of multi-step platforms. The method ecologically protects banks and beautifies environment, and at the same time, developed plant root systems form stable lake growth belts which fix lake bank mud, prevent erosion of lake to bank soil, effectively purifywater quality and provide existent places for birds and amphibious animals. The method also has the advantages of simple structure of artificial lake environmental bank protection, low cost, adoptive differential settlement, and convenient construction and follow-up maintenance.

The invention belongs to the field of ecological repairing of water environments in lake basins and particularly relates to a river channel structure capable of ecologically repairing a river flowing into a lake in lake basins. The river channel structure comprises a river channel base, a river channel bank slope and river channel buffering belts. A layer of vegetation form ecological blanket is laid on the river channel base. Aquatic plants are planted on a river channel bank slope. The river channel bank slope comprises a river channel revetment and a river channel land area side bank, wherein the river channel revetment is a step type revetment and sequentially comprises a first-step ecological embankment, a second-step ecological embankment, a third-step ecological embankment, a fourth-step ecological embankment and a fifth-step ecological embankment from bottom to top. Terrestrial plants and herbaceous plants which are reasonably matched are planted on the river channel buffering belts, and the river channel buffering belts include the first buffering belt, the second buffering belt and the third buffering belt. The river channel structure is simple in structure and low in construction cost, the ecological environment of the river flowing into the lake in the lake basins can be repaired, the water quality of the river is improved, the ecological system of the river is recovered, and the self-cleaning capability of the river is improved.

The invention relates to an application of artemisinin as algae inhibiting agents. The algae is microcystis aeruginosa or scendesmus obliquus. The artemisinin is extracted from artemisia annua of terrestrial plant, is a degradable natural product with good environmental compatibility and lower toxicity on higher animals and has a wide application range as the algae inhibiting agents.

The invention belongs to the field of plant cultivation, and relates to a seedling breeding method of seedlings of a mangrove forest plant xylocarpus granatum. The breeding method comprises the following steps: sowing mature xylocarpus granatum seeds into a seedling breeding container filled with a cultivation substrate; after sowing, keeping the humidity of the cultivation substrate in the seedling breeding container; when the seedlings are grown to small seedlings with 4-6 of true leaves and a seedling height of 50-70cm, carrying out seedling hardening by using seawater with gradient salinity; transplanting the seedlings in an overcast day or at dusk; and carrying out shading for 5-7 days. According to the invention, a systematic research is carried out on the collection of the xylocarpus granatum seeds and the germination of the seeds and the like, and the mode of combining the seedling breeding of terrestrial plants with seedling hardening by using seawater with gradient salinity is adopted, so that artificial breeding problem of the mangrove forest plant xylocarpus granatum is solved. The breeding method provided by the invention has the characteristics of simple operation, low seedling breeding cost, short seedling breeding time, high survival rate and the like, provides technical support for industrialized seedling breeding and large-scale planting of the xylocarpus granatum, and lays a foundation for restoring the coastal mangrove forest resources and maintaining the ecological balance of shallow water beaches in China.

The invention discloses a method for measuring superoxide anion radicals in tape grass leaves, belonging to the measuring field of the measuring of superoxide anion radicals. The method comprises the following steps of: firstly, collecting and cleaning the tip parts of fully exposed small and tender tape grass leaves; carrying out Tiron captureing on the Tiron of radicals in a closed operation box in a closed nitrogen environment; and finally measuring by using an EPR (Electron Paramagnetic Resonance) technology. The invention has the advantages of simpler operation and easy grasping, and can measure the superoxide anion radicals of the tape grass leaves in a very short time;, find that and the measured radicals are found to be the superoxide anion radicals according to the superfine structure constant and, the spectrogram shape analysis of an EPR spectrogram and the combination of the remarkable decreases of the radical strength of the leaves pretreated by SOD (Super Oxide Dismutase), and therefore the invention is the most direct, accurate and effective method for measuring the superoxide anion radicals. Superoxide anions are sensitive to pollutants and have a favorable dosage effect relation. The invention is also suitable for other aquatic plant and terrestrial plant species and can be suitable for measuring the radicals of the plant root tissue.

The invention discloses health-care soft capsules prepared by mainly taking extracts of both leaves and seeds of acer truncatum trees as raw materials and a preparation method for the health-care capsules, each capsule comprises the components of, by weight: acer truncatum leaf extract 120-160mg, acer truncatum seed extract 15-30mg, plant oil 280-320mg and vitamin E 10-20mg; The soft capsules are prepared by using both terrestrial plant acer truncatum seeds and terrestrial plant acer truncatum leaves containing respectively rich nerve acid and flavones and have functions of nerve fiber atrophy preventing, brain development promoting, anti-aging, human immunity ability enhancing and digestion promoting.

The invention relates to the field of ecological environment monitoring, and discloses an arbor biomass measuring and calculating method based on an unmanned aerial vehicle hyperspectrum and a machinelearning algorithm, which is used for better realizing biomass monitoring of arbor of a target area type. The method comprises the following steps: acquiring a hyperspectral image of terrestrial plants in a target area by using an unmanned aerial vehicle, modeling based on the hyperspectral image, and extracting elevation information of a digital surface model; extracting spectral information from the original image photos, and performing quantitative inversion model training by adopting a machine learning algorithm according to types of terrestrial plant ecological environment monitoring vegetation classifications in combination with high-level information, characteristic wave bands and vegetation indexes of various plants in the target area to obtain an inversion model; classifying thevegetation types of the target area by using an inversion model so as to extract arbor classification data; and finally, calculating to obtain the arbor biomass by utilizing the extracted arbor classification data and combining with an aboveground biomass formula. The invention is suitable for arbor biomass measurement and calculation.

The invention discloses a health-care lozenge prepared by taking an acer truncatum extract as a major raw material and a preparation method thereof. The health-care lozenge is prepared from the following raw materials in percentage by weight: 20-40 percent of an acer truncatum extract, 15-25 percent of an acer truncatum seed extract, 30-64 percent of a seasoning agent and 1-5 percent of a nutrition fortifier. A tablet is prepared by performing deep processing on terrestrial plant acer truncatum seeds which are rich in nervonic acid and terrestrial plant acer truncatum leaves which are rich in flavone, and has the effects of preventing nerve fiber atrophy, promoting brain development, delaying ageing and enhancing the immunity and digestive function of a human body; and over-high blood fat concentration in blood can be lowered remarkably, and the occurrence probability of diseases such as certain hypertension and cardiovascular and cerebrovascular diseases, blood circulation disorder, and the like is lowered.

The invention discloses a comprehensive treatment method of contaminated water ecological restoration, which is used in the water where the plants eliminating the blackness and ugliness basically can grow. The method comprises the following steps: 1. cleaning the algae in the water; 2. throwing the one or a plurality of bio-energizers and bio-antidotes in the water; 3. putting up the floating bed frames for fixing and planting the land plants; 4. planting land plants between floating bed frames at intervals or adopting the floating bed to create the condition for the local duckweed growth; 5. planting floating plants in the unit frame lattice of the floating bed frame; 6. examining the restraining and death borne by the algae in the substrate sludge in the water and deciding whether to clean the floating plants on the water surface. The method realize the indirect control of the algae in the water by controlling the floating plants easily controlled on the water surface and is an effective method for changing the algae water into the grass water. The method is the third synthetic method of urban arrangement dam engineering and can have effect like that one and one is more than two with other river control synthetic method via test.

The invention discloses a sea cucumber feed and a production method of the sea cucumber feed; the sea cucumber feed is prepared by the following components by weight percentage: 45-50% of sargassum pallidum, 15-20% of shell powder, 8-12% of peanut seedlings, 5-10% of soya bean meal, 1-5% of starch, 1-5% of scallop mantle powder and 1-5% of yeast. The production method of the sea cucumber feed is as follows: preparing the above raw materials, tedding the sargassum pallidum, the peanut seedlings and the soya bean meal and removing impurities and sediments in the sargassum pallidum, and the peanut seedlings; respectively crushing the sargassum pallidum and the peanut seedlings which are preliminarily cleaned, as well as the shell powder, the soya bean meal, the starch, the scallop mantle powder and the yeast into fine powder feed raw materials; and weighing the fine powder feed raw materials according to the weight percentage of the above raw materials and mixing fully to obtain a finished product. In the invention, peanut seedlings of terrestrial plants are introduced into the sea cucumber compound feed, partially replace the sargassum pallidum, and have abundant and comprehensive nutrition, low price and wide raw material source, beside, the sea cucumber recovery is easy, the feed cost is reduced and the sea cucumber cultivation benefit is improved.

The invention discloses a method for measuring starch content of an oceanic microalgae cell. In allusion to features of the substance composition of the oceanic microalgae cell, the method comprises the following steps of: firstly, degreasing, decolorizing and desugaring the microalgae cell by using ethanol, petroleum ether and 90% ethanol; secondly, taking a calcium nitrate solution with the concentration of 0.6-0.8g / ml as an extractant for extracting starch in the microalgae cell, and boiling for 15 to 30 minutes to sufficiently extract the starch in the microalgae cell; thirdly, oxidizing residual reducing sugar and residual pigment by using hydrogen peroxide, and boiling to remove the excess hydrogen peroxide; and finally, taking iodine as a color-developing agent, and directly measuring the starch content of the oceanic microalgae through spectrophotometry. Compared with the conventional method for measuring starch content of terrestrial plants, the method has the advantages of simple process, short experimental period, accurate result and good repeatability.

The invention relates to a sector-shaped multi-dimensional cross-flow type composite terrestrial plant buffer zone and a construction method thereof. The buffer zone is formed by connecting a sector-shaped transverse-flow herb-biochar zone, a sector-shaped longitudinal-flow denitrification zone, a sector-shaped transverse-circular-flow pollutant enrichment shrub-herb zone, a sector-shaped longitudinal-flow dephosphorization zone, a sector-shaped transverse-circular-flow tree-herb-biochar zone as well as necessary ridges, braiding channels or water-permeable walls in series. Low-concentration wastewater such as tail water of urban sewage treatment plants, agricultural wastewater, surface runoff of villages and small towns and the like sequentially flows through the zones after simple sedimentation, and suspended matters, organic matters, nutrient elements, pesticides and the like in the wastewater are gradually reduced. The vegetation buffer zone is applicable to peripheries of reservoirs, rivers or lakes with limited shore land areas and can effectively prevent water environment pollution; native plants are combined harmoniously, so that the buffer zone has the good treatment effect as well as the good landscape effect, the good ecological benefit and high popularization and application values.

The invention relates to a biological floating island, and discloses a terrestrial plants and microorganisms combined biological floating island. The biological floating island comprises a biological floating island unit (1), wherein the biological floating island unit (1) comprises a vegetation layer (2), a matrix layer (3), a buoyancy basal disc (4) and a heavy hammer (5), the matrix layer (3) is accommodated in the buoyancy basal disc (4), the vegetation layer (2) covers the surface of the matrix layer (3), root systems are inserted in the matrix layer (3), the buoyancy basal disc (4) bearing the matrix layer (3) and the vegetation layer (2) floats on the surface of water, the heavy hammer (5) is sunk in the water, the heavy hammer (5) is flexibly connected with the bottom of the buoyancy basal disc (4), and microorganism filler particles (6) are embedded in the surface of the heavy hammer (5). The biological floating island disclosed by the invention is simple in structure and low in cost, and treats polluted water by using the synergistic effect of microorganisms and terrestrial plants, and indexes such as water purification efficiency, purification time and set-up area of the biological floating island are all superior to those of traditional biological floating islands.