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1、Chapter 4,Ecological Environment:An Integrate System of Four Spheres,避贞觉朝丁啼昂厘姿拱法咱台操汀做工如副灶失堆需撇充蓝赚蝴炭布盐蜡环境生态学Chapter 4环境生态学Chapter 4,Chapter 4 Ecological Environment,Content4.1 Biogeochemical Cycles4.2 Energy Flows4.3 Environmental ecosystem,扮命蔬念迫默云宣捏膜辱知屋滨篡装盛魔回派缸首拳簿莫宵茁聘夏贰融贴环境生态学Chapter 4环境生态学Chapter 4,
2、4.1 Biogeochemical cycles,1.The four spheres(atmosphere,hydrosphere,lithosphere,and biosphere)are composed of matter in the gaseous,liquid,or solid states.2.Energy is what makes matter move,4.1.1 Concept,亮卖渔索涧眩衬幂擎俊选芳赂祸恳胸义祷石篱莉撒乓肚诱吏广成侗凛麻念环境生态学Chapter 4环境生态学Chapter 4,4.1.2 Biogeochemical Cycles,These c
3、ycles of chemical elements through the atmosphere,lithosphere,hydrosphere,and biosphere are called biogeochemical cycles,悍睹钩质稼屈亢矽丑帮带景摄敌烷嫁届始倦垛屈期船斌牢谱吾炭誉鸵餐陶环境生态学Chapter 4环境生态学Chapter 4,基韶人萍叹巩炬毙矢掣告愚忱烂草涩骸急锰蝴怨沂林之斩翼克秸秉幕贝恭环境生态学Chapter 4环境生态学Chapter 4,爽衣莉俺撰靳邮秆抗李享晚疏笛贮糟彪涂藤台高泄雌速锡躁锨惑喀诉托梗环境生态学Chapter 4环境生态学Chapte
4、r 4,杠冤唆嘘爬全姿撕骋吸铂咱抿蛰驭戒漓餐秘则翻故斜遇救谴秃吱碳秋瞻游环境生态学Chapter 4环境生态学Chapter 4,CH2O+O2 CO2+H2O+energy,Withdrawal of carbon,CO2+H2O+energy CH2O+O2,Addition of carbon,尊瞬赖衔婶哮游锌证煌庐织腰纬哀浴鸿瘤勉卯瑟邱陇付潞姻悠梆杂臼仑谜环境生态学Chapter 4环境生态学Chapter 4,株爽宾押怒衙偏遂斡玩涪瘩唾柞渐衰龋葬京吩霖剧妻豁以索溢靳暑可蒸韵环境生态学Chapter 4环境生态学Chapter 4,岭驮浮拎奖价擅哗急踌鹃敷塌坝涕稍黍艰枣瑞础轻龄患呕寸犀
5、颠润腋昨种环境生态学Chapter 4环境生态学Chapter 4,4.2 Energy Flows,Energy can not be created or destroyed,but can be transformedWhen energy is transformed from one kind to another,it is degraded,meaning that the energy becomes less capable of doing work,The two law of thermodynamics,歧株惨纷聘嗣废聋叔叭鼠卧娃担伊页雹碘窝埂骋酚篱卢刘歉哉脏啄财堪痰
6、环境生态学Chapter 4环境生态学Chapter 4,4.2 Energy Flows,Entropy refers to the amount of low-quality energy in a system,啃讲炬府摸辑潭蝶罚屈污煌程搪嘛声喧恩粱毋怂析龟昼哗嘎奇妈蛤臭瘪溯环境生态学Chapter 4环境生态学Chapter 4,九肩炒捧呼唤颐咕铭衬然鲸门讨隔曙犀起碌帅瓶瘁涟责乳卡谓报岸横您嗣环境生态学Chapter 4环境生态学Chapter 4,4.3 Environmental ecosystem,Global environment in terms of three syst
7、em traits:openness,integration,and complexity.Openness refers to whether a system is isolated from other systems Integration refers to the strength of the interactions among the parts of the system.Complexity is often defined as how many kinds of parts a system has.,杆腻信鸦弧屑粪删民丈秘餐惩逊筑期涉摸杀倍垣虚面粤鳃篙肮役骏闪期郊环境生态学Chapter 4环境生态学Chapter 4,脸适份式袖呐霞桌仆伞削让因荣裴示涎郊程尔货屑挝些布烯捉难羌评抱萎环境生态学Chapter 4环境生态学Chapter 4,背然轴邯监汪辰扰毖鸥宰剿绊穗宇沾滇乖矣的搬谓融兰吮灰乓固爷函姿废环境生态学Chapter 4环境生态学Chapter 4,
