Space-adjustable aquatic plant co-culture device

Abstract

The invention discloses a space-adjustable aquatic plant co-culture device. The space-adjustable aquatic plant co-culture device comprises a first stainless steel grid mesh, a stainless steel grid mesh, a third stainless steel grid mesh, a co-culture glass tank and glass strips and is characterized in that the glass strips are fixed to the first long side face and the second long side face of the rectangular co-culture glass tank through glass cement; the first stainless steel grid mesh, the second stainless steel grid mesh and the third stainless steel grid mesh are inserted in a groove formed by the glass strips freely or at equal intervals. The space-adjustable aquatic plant co-culture device is simple in structure, convenient to maintain and low in cost, experiment errors are substantially reduced, experiment efficiency is improved, the experiment accuracy rate is increased and experiment precision is improved. The stainless steel grid meshes have the advantages that the grid meshes are resistant to acid and alkali corrosion and high-temperature oxidization and trace level chemical substances released by plants in a co-culture system are not adsorbed, and the stainless steel grid meshes can be used for a chemical competition experiment and high-temperature sterilization before the experiment. The grid meshes can be reused after the experiment ends.

Description

technical field [0001] The invention relates to the research field of chemical competition among aquatic plants, and more specifically relates to a co-cultivation device for experiments on chemical competition among aquatic plants. The device is suitable for aquatic plant co-cultivation experiments, for example, for the experimental design of the coexistence of two or three aquatic plants, it is convenient to adjust the volume of each compartment according to the experimental objects, efficiently isolate the experimental objects, and improve the effect of co-cultivation experiments. Background technique [0002] In aquatic ecosystems, there are complex interactions between aquatic plants, such as competition for living conditions such as space, nutrition, and light in the system. Studying the chemical ecological competition between or within these aquatic plants is of great significance for controlling lake eutrophication, controlling algal blooms, and revealing the mutual t...

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Problems solved by technology

[0003] There are two traditional ways of co-cultivation: one is that two aquatic plants are completely cultivated together in the same system; the other is that two aquatic plants are cultivated together in the same system separated by a partition. Cultivating glass tanks has the following disadvantages in the process of researching chemical competition experiments: (1) Only leaving the bottom connected or punching holes in the clapboard is used to carry out, for example, the grass with submerged plants-phytoplankton (algae) as the experimental object. The algae co-cultivation experiment cannot completely separate the grass and the algae. The microalgae cells will still move to the side of the submerged plant with the water flow, and attach to the plant leaves to affect its growth. Some filamentous algae will also be affected by the Physical entanglement interferes with the experimental results, affecting sample collection and statistical analysis of experimental results for grass algae; (2) The reusability of the co-cultivation device is poor. The partitions of the traditional co-cultivation device are directly fixed in the tank, which also limits The device is used for co-cultivation research of plants of different sizes, and its application is limited; (3) The single material of the partition cannot meet the needs of various experiments. For example, when the experiment involves chemical competition research, the partition in the co-culture tank It will absorb trace chemical substances released by plants and affect the experimental results; (4) The co-culture glass tank that has been fixed and formed cannot adjust the space size of the co-culture compartment according to the volume of the experimental object; (5) The traditional co-culture glass with two compartments The cylinder cannot meet the co-cultivation experiment of more than two kinds of experimental objects

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