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Large-scale lake beach wetland soil seed bank species richness and seed density detection method

A soil seed bank and density detection technology is applied in the field of species richness and seed density detection in large lake and beach wetland soil seed banks, which can solve problems such as seeds that cannot be covered, increase the probability of germination, avoid low richness, and guarantee time. Effects of Continuity and Spatial Comparability

Inactive Publication Date: 2018-01-09
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the plant canopy seed bank can only supplement the soil seed bank and cannot cover the seeds in the soil.

Method used

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Embodiment Construction

[0031] The invention discloses a method for detecting species richness and seed density of soil seed bank of large lake beach wetland. Those skilled in the art can learn from the content of this article and appropriately improve process parameters. In particular, it should be pointed out that all similar substitutions and modifications are obvious to those skilled in the art, and they are all deemed to be included in the present invention. The method and application of the present invention have been described through the preferred embodiments. It is obvious that relevant persons can modify or appropriately change and combine the methods and applications described herein without departing from the content, spirit and scope of the present invention to achieve and Apply the technology of the present invention.

[0032] The present invention provides a method for detecting species richness and seed density of soil seed bank of large lake beach wetland, which includes the following s...

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Abstract

The invention relates to a large-scale lake beach wetland soil seed bank species richness and seed density detection method. The detection method comprises the following steps of belt transect and quadrat distribution, soil sample collection, sampling time control, soil sample storage, soil sample preprocessing, experiment container and soil sample placement, water soaking processing setting, dryand wet alternate processing setting, data obtaining and blank group setting. A seed sprouting method is used as the basis; the soil seed bank species richness and active seed density system and concrete identification methods can be formed in multiple aspects of belt transect and quadrat distribution, soil sample collection, storage, preprocessing, sprouting, counting, interference elimination and the like by aiming at the features of the large-scale lake beach wetland vegetation.

Description

Technical field [0001] The invention relates to the field of ecology, in particular to a method for detecting species richness and seed density of soil seed banks in large lakes and beach wetlands. Background technique [0002] At present, the commonly used methods for detecting species richness and seed density of soil seed banks include physical separation method and seed germination method; in addition, there are identification methods of soil seed bank and canopy seed bank using stable isotope radiation technology. The latter two methods are currently in use less. [0003] The physical separation method is a method to sort out the seeds in the soil through physical methods, and to identify and count the species composition and quantity of the soil seed bank. The commonly used methods include floating method, elutriation method, air blowing method, and photometric method. This method can quickly identify species in the seed bank of large-seed species, but the identification res...

Claims

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Application Information

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IPC IPC(8): G01N33/24
Inventor 雷霆
Owner BEIJING FORESTRY UNIVERSITY
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