共生属于自养还是异养
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大自然是人类赖以生存和发展的基本条件,尊重自然、顺应自然、保护自然已成为全面建设社会主义现代化国家的内在要求。在过去的20年,中国持续深化生态保护和修复战略部署,为保障经济社会可持续发展奠定了坚实的生态安全基础。
小溪港紧邻太湖,这里曾是渔民聚集的地方。自2020年10月1日起,太湖正式进入退捕禁捕期,小溪港生态修复工程逐步启动。随着鱼咀公园建成,昔日渔港蝶变成高品质生态湿地公园,这背后,是无锡不断深化开展“美丽河湖”行动,坚定不移走生态优先、绿色发展之路的谋划和决心。
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小溪港鱼咀公园位于江苏无锡经济开发区南部,处于环太湖旅游带的重要位置,周边资源优势明显,设计同时要符合太湖和水源保护地的生态要求,这成了景观建设最大的难题。
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面对政策与现场的多重困难,设计团队以生态为纽带,进行生态修复、生境串联和景观建设。全面统筹左右岸、上下游、陆地水下,通过山水林田湖草沙一体化保护和系统治理,构建完善的生态系统,康复水体自净能力,重建了小溪港崭新的生态面貌。
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曾经喧闹的沿湖渔港,变成了高品质生态湿地公园。设计以微介入的景观手法,打造昔日渔港点点风帆的场地印象,漂浮栈道成为了居民休闲漫步、观光摄影的网红打卡地,让人们沉浸于自然太湖之美。
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湿地生态修复是城市规划中的重要环节。雨洪管理是修复湿地生态的关键,通过合理的雨水收集、排放和利用,可以有效地缓解城市内涝和水资源短缺的问题。
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清水河采用四步生态净化措施:引水后,进行物理沉降与过滤,使水中大颗粒沉淀;在复合生态净化区,利用湿生植物配置进行净化;砾石滩在过滤净化河水的基础上使人得以亲水,与自然互动;在调节区,运用陆生与水生植物完善生态系统。
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同时,利用海绵设施有效控制地表径流,大幅减少面源污染,为生物的稳定性、可持续性提供空间。通过树林、草地、花境、植被传输沟、下沉绿地等构成完整的城市生态系统,进一步净化水质提升河道补给同时为城市双碳建设做出重要贡献。
以生态为主,在有限的开放空间中,利用自然地形的高差变化,将舒适的通行与公共活动剧场叠加设计,形成丰富弹性的景观场所。
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湿地是许多野生动物的栖息地和迁徙通道,保护湿地的生物多样性对于维护生态平衡和人类福祉具有重要意义。
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生态湿地采用深浅交替、宽窄结合的水岸和漂浮栈道观光的形式,水下采用底泥改良、水生植物系统立体构建、水生动物及土著微生物补给,构建完善的生态体系,通过自养生态系统与异养生态系统的协同作用,湖泊实现自我净化、自我修复,生物也能够繁殖,重塑生物多样性系统。
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常水位景观亲水性更强,亲水石滩、栈道、挺水植物等让人们充分亲近自然;高水位景观太湖之镜、观鹭亭、净水泉田可随水位升降而浮动,在水位上涨时保证亲水体验。
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将水景观与沉浸式体验相结合,陆地水下形成有机整体。通过在水面增设漂浮栈道和观鹭亭,重新演绎了昔日太湖千帆景象并兼顾观鸟功能。
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同时利用现状堤顶路与贡湖湾网红“彩虹跑道”联通以点带线,激活贡湖湾联动尚贤河,提升辐射力,也为周边居民提供休闲健身、体验和湿地知识探寻的理想场所。
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公园里南北侧的空间由桥下空间作为纽带链接,通过对桥梁阵列的结构柱灯光亮化结合休憩座椅、彩虹涂装桥底梁板、滑板波浪坡道,打造了一个具有文化内涵的高品质桥下空间,将城市“灰角落”焕发生机,呈现江南风韵的自然山水画卷。
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如今的小溪港鱼咀公园水清岸绿、鹭鸟翔集,水绿生态系统正串珠成链向心而成,成为城市更新湖城共生典范。为环太湖“绿色珠链”再添一颗“亮丽明珠”。
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| 项目信息
项目名称:太湖流域小溪港周边水环境修复工程设计
委托业主:江苏无锡经济开发区发展中心
代建单位:江苏新慧恒工程项目咨询有限公司
景观设计:广州山水比德设计股份有限公司上海设计院
景观施工:江苏江达生态环境科技有限公司(北区)、无锡文旅建设发展有限公司(南区)
景观摄影:广东新山水文化发展有限公司
项目地点:江苏无锡
设计面积:184000㎡
建成时间:2023年4月10日
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郁沫阮1423一条无毒蛇以其鲜艳的颜色吓退了天敌,这属于( ) -
谢绍朋17656135305 ______[选项] A. 互利共生关系 B. 保护色 C. 拟态 D. 警戒色
郁沫阮1423制作泡菜时,乳酸菌产生的乳酸抑制其他微生物的生长,当乳酸积累到一定浓度时,还会抑制同种其他个体的增殖,这种现象包括( ) -
谢绍朋17656135305 ______[选项] A. 竞争 B. 共生 C. 寄生 D. 种内斗争
郁沫阮1423人体皮肤表层包括三类菌群,有常住菌群、过路菌群、共生菌群,其中的有益菌群对人体有保护功能.但某些人喜欢用添加了广谱抗菌素的香皂,研究表明,... -
谢绍朋17656135305 ______[选项] A. 丙酸杆菌的呼吸作用类型是无氧呼吸 B. 皮肤及表面微生态系统具有的防御功能属于非特异性免疫 C. 上述三个菌群所需的营养物质基本相同,在生态学上叫作竞争 D. 该种香皂导致皮肤上有害细菌大量繁殖的原因是抗菌素的不定向选择作用
郁沫阮1423下列4个图都表示生物之间的关系,请问图(1)、(2)、(3)、(4)依次表示( ) -
谢绍朋17656135305 ______[选项] A. 捕食、共生、竞争、寄生 B. 捕食、竞争、共生、寄生 C. 竞争、捕食、共生、寄生 D. 竞争、捕食、寄生、共生
郁沫阮1423关于根瘤菌的叙述,错误的是( ) -
谢绍朋17656135305 ______[选项] A. 根瘤菌属于细菌 B. 根瘤菌多与豆科植物共生 C. 根瘤菌能将空气中的氮转化为含氮物质供植物利用 D. 根瘤菌能进行光合作用制造有机物质
郁沫阮1423真菌和细菌的营养方式分为自养和异样,异养又分为腐生和寄生,那么共生算哪种?还是哪种都不算? -
谢绍朋17656135305 ______[答案] 楼上别说那么复杂……共生在植物和动物界都存在,所以只是一种现象不是分类,跟自养异样没关系,跟腐生寄生更没关系~高中会学,共生属于种群间关系,跟捕食、竞争、……并列
郁沫阮1423有机氮能否供能,哪些可以?N2可以供能吗?自生固氮菌是自养还是异养 -
谢绍朋17656135305 ______ 有机氮能否供能,哪些可以?N2可以供能吗?自生固氮菌是自养还是异养 自生固氮菌与共生固氮菌相对,是指不需要进入生物体内进行固氮的固氮菌,中学阶段除蓝藻外的固氮微生物都是异养型
郁沫阮1423异养和自养是什么? -
谢绍朋17656135305 ______ 1、自养:像绿色植物那样,利用自己制造的有机物来维持生活的营养方式,或特指能利用二氧化碳或碳酸盐作为碳的唯一来源,能用简单的无机氮代谢合成. 2、异养:不能直接把无机物合成有机物,必须摄取现成的有机物来维持生活的营养...