河口湿地盐沼PPT课件

rrelated(approximately)WhyistheEnglishChannelbiomasspyramidinverted?贮存(库)和流Stock=flowresidencetime?=flow/turnover?(shortresidencetimeorhighturnovercanmeanahigherenergyflowforthesamestandingstock);Flow=StockTurnoverstockinflowoutflow思考题(2)河口地区影响浮游动物组成与分布的主要因素,除了前述四大类(盐度、水温、水动力条件、食物与捕食压力)外,还有哪些其他因素,各因素间的相互关系如何?试举例说明。petition=useordefenseofaresourcethatreducesitsavailabilitytootherindividuals?Interference(冲突)-directinteraction?Exploitative(盘剥)-differentialuseofresource?Interspecific-betweenspecies?Intraspecific-betweenindividualsofthesamespecies2.Food&oxygenavailabilityGettheirfoodfromthewater(asplankton)!Theycanonlyfeedwhenunderwater?Also,obtainoxygenfromthewaterHypoxia3.影响浮游植物组成与分布的因素光照营养物质垂直混合温度盐度消费者取食径流/潮汐/河口环流内容提要引论1、河口浮游植物2、河口浮游动物3、河口湿地盐沼4、河口微生物生态和有机碎屑5、河口底栖生物和底栖亚系统6、河口鱼类及河口渔业3、河口湿地盐沼