Biological disasters

Forest biological disasters in China in the new forestry times

国家林业新时期的森林生物灾害研究

Current situation and tendency of agricultural biological disasters in Zhejiang province and the strategy for disaster prevention

浙江省农业生物灾害的现状、趋势及减灾对策农业灾害学引论

Preliminary study on controlling biological disasters by bio-diversity strategies in tobacco fields

利用生物多样性调控烟田生物灾害的研究初报

Analysis on the outbreaks of biological disasters in farmland

农田有害生物暴发性灾害分析

The biological disasters consist of disaster in the agriculture , mice disaster , and insect disaster in the forest .

生物灾害包括农作物病虫害、鼠害、森林病虫害等。

Agricultural biological disasters have seriously constrained yield and quality of agricultural products and also can threaten food security , biodiversity , food safety , and eco-environment .

农业生物灾害严重影响了农产品产量和品质，对粮食安全、生物多样性、食品安全以及生态环境造成了威胁。

Or as Sir John echoes : Threats from ecological or biological disasters , fraud , political conflict and terrorism seem as high as ever .

或者正如约翰爵士的回应：来自于生态或生物灾难、欺诈、政治冲突和恐怖主义的威胁似乎与以前一样大。

Therefore , is to establish a forest health concept , improve forest itself " Resistance " will be throughout the entire process of production forestry for forest biological disasters prevention .

因此要树立森林健康理念，提高森林自身“抗性”，将预防林业生物灾害贯穿林业生产全过程。

It 's an available and sustainable way to promote animal husbandry development by enhancing management , strengthening forecast and report , implementing comprehensive control measures to prevent the biological disasters .

采取加强组织领导、强化预测预报、实施综合治理、加大科技投入、制定应急预案等措施是应对和预防生物灾害，促进畜牧业持续稳步发展的有效途径。

From the viewpoints of the characters and functions of urban forestry , the authors explained the occurrence , causes and implications of biological disasters in urban plant environment based on ecological principles .

本文从城市林业的特点、功能出发，依据生态学原理阐述了生物灾害在城市环境植物中的发生特点、原因及其影响。

Natural disaster is one of the very important category , including flood and drought disasters , meteorological disaster , earthquake disaster , geological disaster , marine disaster , biological disasters and forest and grassland fire .

自然灾害是其中非常重要的一类，主要包括水旱灾害、气象灾害、地震灾害、地质灾害、海洋灾害、生物灾害和森林草原火灾等。

Improving forecasting techniques for farmland pests , protecting ecological environments , enhancing controlling techniques , and strengthening plant quarantine should be the key measures to prevent the frequent outbreaks of biological disasters in farmland .

改进农田有害生物灾害预测技术、保护和改良农田生态系统、提高控制农田有害生物灾害的技术水平、加强植物检疫是控制农田有害生物暴发性灾害的途径。

Globalization produces positive influences . Meanwhile , it also brings about negative influences such as challenges against a country 's economic sovereignty , enlarged differences between the rich and the poor worldwide , virtual economy 's deviation from practical economy , potential worldwide economic crisis and biological disasters , etc.

经济全球化在产生正面影响的同时，也会带来诸如国家经济主权受到挑战、世界贫富悬殊拉大、虚拟经济与实际经济相背离、可能引发全球性经济危机和生态灾难等负面影响。

Sediment disasters could be regarded as special processes generated from and accompanied with sediment erosion , transportation and deposition , which are essentially different from the metrological , flooding , biological and geological disasters .

泥沙灾害是泥沙在其侵蚀、输移和沉积运动发生变异时产生的特殊灾害过程，在本质上不同于通常的气象灾害、水灾害、生物灾害和地质灾害。

Meanwhile , Four factors ( resource , environment , biological security , and disasters ) were chosen to calculate the ecological security index with a value of 0.44 .

同时选择了资源安全评价、环境安全评价、生物安全评价和灾害安全评价等4个要素，确定该市生态系统安全指数为0.44。