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Health evaluation method for river mouth and bay ecological system

An ecosystem and health assessment technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as tidal current effects

Inactive Publication Date: 2016-10-12
浙江省舟山海洋生态环境监测站
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Problems solved by technology

The temperature and salinity of the bay mainly depend on solar radiation and fresh water injection along the coast, but the tides and currents outside the bay also affect it

Method used

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  • Health evaluation method for river mouth and bay ecological system
  • Health evaluation method for river mouth and bay ecological system
  • Health evaluation method for river mouth and bay ecological system

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0077] 1. Construct the ecological environment evaluation index system of estuaries and bays.

[0078] Ecological environment evaluation indicators are composed of water environment ecological indicators, water environment toxicology indicators, sedimentary environment health indicators, organism quality health indicators and biological community health indicators;

[0079] The evaluation factors of the ecological indicators of the water environment mainly include dissolved oxygen, inorganic nitrogen, and active phosphate; the evaluation factors of the toxicological indicators of the water environment mainly include suspended solids, chemical oxygen demand, petroleum and heavy metals; the deposition environment The evaluation factors of health indicators mainly include sulfide, organic carbon, petroleum and heavy metals; the evaluation factors of the biological quality health indicators mainly include bis-p-chlorophenyl trichloroethane, petroleum and heavy metals; the biologica...

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Abstract

The invention discloses a health evaluation method for a river mouth and bay ecological system. The method comprises the following steps of establishing a river mouth and bay ecological environment evaluation index system, determining an ecological environment evaluation index and weights of evaluation factors thereof, detecting and collecting the data of each evaluation factor of the ecological environment evaluation index and computing an index evaluation value, computing a water environment ecological index evaluation value of each station, computing a sea area evaluation value, and computing a health index of the river mouth and bay ecological system. An evaluation result obtained by using the evaluation method of the invention can basically reflect the pressure on an offshore area ecological system caused by relatively large artificial disturbances, including discharge to the sea, artificial breeding and petroleum pollutions, meanwhile can also reflect main pollution risk factors, and also plays a certain forewarning role with respect to potential pollutant factors, thus having a certain reference value and significance for reference, and being capable of providing scientific bases and guidance information to future ecological protection and management of the river mouth and bay ecological system.

Description

technical field [0001] The invention relates to a method for evaluating the health of estuaries and bay ecosystems. Background technique [0002] As the ecological environment is increasingly threatened by human activities and environmental pollution, the research on ecosystem health has attracted more and more researchers' attention in recent years, and has become one of the hot spots in the field of ecology and environment. The ecosystem provides human beings with various services in terms of natural resources and living environment, and is the existence that sustains life on earth. Ensuring the health of the ecosystem is the prerequisite for humans to obtain multiple services continuously, and it is also one of the reasons why humans pay attention to the health of the ecosystem. [0003] Ecosystem health has brought a new way of thinking and goals to environmental management. It looks at the diseases of the ecosystem from a holistic perspective, and tries to treat or pre...

Claims

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Application Information

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IPC IPC(8): G06F19/00
CPCG16Z99/00
Inventor 胡颢琰贾海波王婕妤魏娜
Owner 浙江省舟山海洋生态环境监测站
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