Island ecosystem current situation evaluation and development prediction method based on Ecospace model

A technology for ecosystems and islands, applied in forecasting, instruments, data processing applications, etc., can solve problems that have not been applied in the study of island ecosystems

Active Publication Date: 2020-01-31
JINAN UNIVERSITY
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Problems solved by technology

Ecospace is widely used in the management of water ecosystems, but t

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  • Island ecosystem current situation evaluation and development prediction method based on Ecospace model
  • Island ecosystem current situation evaluation and development prediction method based on Ecospace model
  • Island ecosystem current situation evaluation and development prediction method based on Ecospace model

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Embodiment 1

[0030] Dahosha Island is located in the urban section of the Pearl River Estuary in Guangzhou. It is an island in the middle of the river with rich vegetation, which provides a suitable habitat for fish to survive and reproduce, so the surrounding fish population is relatively rich. In recent years, with the influence of man-made pollution and man-made fishing, the population of aquatic organisms around Dahaosha Island has continued to decrease, resulting in a sharp decline in fishery resources. The simulation of the spatial and temporal changes of various organisms in the ecosystem can provide reasonable suggestions for the fishery management of the Pearl River.

[0031] The current status assessment and development forecast of Dahaosha Island ecosystem include the following steps:

[0032] 1. Survey of existing organisms in the island ecosystem

[0033] The current fish, macrobenthic invertebrates, and zooplankton in the island ecosystem were collected by gillnets, fixed sh...

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Abstract

The invention discloses an island ecosystem current situation evaluation and development prediction method based on an Ecospace model. Firstly, an Ecopath model is used for fitting a current island ecosystem energy flow mode, ecological evaluation is conducted on an island ecosystem according to output parameters of the model, and meanwhile according to fishery fishing data, the regional distribution change situation of all organisms in the ecosystem is simulated through an Ecospace model. Evaluation is carried out on the basis of the ecological model, and an ecological system can be describedfrom the perspectives of food net structure integrity, nutrition function diversity, energy transfer effectiveness and the like. And after the evaluation is completed, the ecosystem is simulated by using the fishing yield, and the future development condition of the island ecosystem is predicted. According to the method, new thought reference and technical support are provided for evaluation andprediction of an island ecosystem at present from the perspectives of ecology quantity and energy science, and the method has guiding significance for management of the island ecosystem.

Description

technical field [0001] The invention relates to the technical field of aquatic ecosystem research, in particular to an ecosystem model (Ecospace) for assessing the status quo of an island ecosystem and predicting its development. This method starts from the ecological level, and uses the Ecospace model to evaluate and predict the island ecosystem through the investigation of biological and environmental factors. Background technique [0002] An island ecosystem refers to a naturally formed land area surrounded by water and above the water surface at high tide, including aquatic plants in its coastal zone and aquatic organisms in the surrounding waters. Different from general water ecosystems, island ecosystems have the duality of water and land. The coastal intertidal zone is affected by both land and water, and often contains rich biological resources, with high biological habitat density and biomass. Both natural disasters and human activities can pose a serious threat t...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q10/04G06Q50/26
CPCG06Q10/0639G06Q10/04G06Q50/26Y02A40/81
Inventor 王赛王林罗邦科苏琳惠秦颖君杨扬
Owner JINAN UNIVERSITY
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