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Method for simulating lakeside wetland soil plants

A soil and wetland technology, applied in the field of simulating soil plants in lakeside wetlands, can solve problems such as the inability to simulate lakeside wetland plants, and achieve the effects of improved accuracy, flexible operation, and high simulation precision

Active Publication Date: 2017-03-15
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention aims to solve the technical problem that the existing sediment cultivation device cannot simulate the role of lakeside wetland plants in simulating lakeside wetlands, and provides a method for simulating lakeside wetland soil plants

Method used

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  • Method for simulating lakeside wetland soil plants
  • Method for simulating lakeside wetland soil plants
  • Method for simulating lakeside wetland soil plants

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specific Embodiment approach 1

[0026] Specific implementation mode one: see figure 1 with 2 , this embodiment is a method for simulating lakeside wetland soil plants, which is specifically carried out according to the following steps:

[0027] The microcosm system is composed of a simulated soil plant system, a constant temperature water bath system and a magnetic stirring system;

[0028] The simulated soil plant system is composed of PVC transparent cylinder a1, PVC transparent cylinder b2, root fixer 3, cover a10 and cover b11;

[0029] 1. Collection of in-situ soil columns: randomly press PVC transparent cylinder b2 vertically into the soil in the pre-simulated lakeside wetland where no plants grow underwater, and make the pre-simulated The soil and water of the lakeside wetland are pressed into the PVC transparent cylinder b2, and the depth of the soil pressed into the PVC transparent cylinder b2 is 5cm to 20cm. Under the underwater anaerobic condition, the bottom end cover of the PVC transparent cyl...

specific Embodiment approach 2

[0035] Embodiment 2: This embodiment differs from Embodiment 1 in that the cover a10 in step 1 is a rubber stopper. Others are the same as the first embodiment.

specific Embodiment approach 3

[0036] Specific embodiment three: this embodiment is different from specific embodiment one in that: the emergent plant described in step one is one or more in sweet grass, sedge and camphor. Others are the same as in the first embodiment.

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Abstract

The invention relates to a method for simulating lakeside wetland soil plants, aiming at solving the technical problem that an existing sediment culture device cannot simulate the effects of lakeside wetland plants in a lakeside wetland when simulating the lakeside wetland. The method provided by the invention comprises the following steps: 1, collecting in-situ earth pillars; 2, culturing the plants; and 3, transplanting seedlings to a PVC (Polyvinyl Chloride) pipe. The method for simulating the lakeside wetland soil plants has the beneficial effects that 1, the operation is flexible and the simulation precision is high; and 2, an earth pillar-sediment microcosm with the plants is constructed in the PVC pipe, a temperature, a water level as well as plant root system development, microbial community and quantity conditions of a lakeside wetland microhabitat are accurately simulated, and the accuracy of indoor simulation experiments is improved. The method provided by the invention is also suitable for a plurality of wetland types including a marsh wetland, a river wetland, a coastal wetland, an artificial wetland and the like.

Description

technical field [0001] The invention relates to a method for simulating soil plants in lakeside wetlands. Background technique [0002] The existing sediment cultivation device is composed of three parts: a constant temperature water bath box, a magnetic carousel and a PVC pipe. The constant temperature water bath box is a transparent temperature control platform, which can simulate the water temperature in the lakeside wetland; the magnetic carousel is placed inside the water bath box, mainly including card slots, solenoid valves, etc., for placing PVC pipes and adjusting the speed. The PVC cover with sampling holes and aeration holes tightly covers the soil column to prevent water loss due to evaporation. The amount and duration of aeration can also be artificially adjusted to control the redox potential of the overlying water and soil on the soil column. [0003] In the simulated ecosystem composed of highly anaerobic sediment and eutrophic water body, the improvement ef...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G9/02
CPCA01G9/02A01G22/00
Inventor 张琳琳邹元春唐泽贾雪莹王璐莹
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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