崇明东滩湿地研究与教育中心，上海 | Atelier Z+

Located at the easternmost point of Chongming Island, at the mouth of the Yangtze River, Dongtan Wetland is a sort of estuary tidal flat wetland. This wetland sits on the middle of “East Asia – Australia” route which is known as one of the eight migration routes for birds of the world. As a very important migration corridor for waterfowl in the Asian-Pacific region, Dongtan Wetland also becomes one of the most significant gathering places and habitats for wild birds.

东滩湿地位于崇明岛最东端，长江入海口，属河口滩涂湿地。这片湿地位于“东亚-澳大利亚”航线的中间，这条航线被称为世界八种鸟类迁徙路线之一。作为亚太地区非常重要的水禽迁徙走廊，东滩湿地也成为最重要的野生鸟类聚集地和栖息地之一。

In the 1990s, an invasive plant spartina alterniflora was introduced to reinforce the tidal flat, which then result in the ecological deterioration of the wetland.To deal with the issue, Shanghai Chongming Dongtan National Nature Reserve started ecological control on spartina alterniflora and environment optimization of bird habitats in 2013. As a supporting facility of this project, the Research and Education Center was built as an important platform of scientific research monitoring, bird banding, law enforcement of management and protection, science education.

20世纪90年代，引进入侵植物互花米草对潮滩进行加固，导致湿地生态恶化。针对这一问题，上海崇明东滩国家级自然保护区于2013年开始互花米草生态治理和鸟类栖息地环境优化。研究教育中心作为本项目的配套设施，是科研监测、鸟类围捕、管理保护执法、科学教育的重要平台。

With modesty and respect, we suppose the building would be in harmony with the natural area. The inspiration is from secluded shacks scattering between the mountains and waters, which described by the ancient Chinese landscape painter Wang Meng in fourteenth century. With the intention of minimizing the impact on the local ecosystem whenever this place is under construction or in use, the architectural volume is divided and scattered, forming a group of settlements above the pile platform, floating on the water and hidden among the reeds.Five buildings of different volume including the conference and exhibition, the canteen, the research, and the dormitory are cross-connected by a zigzag trestle bridge. Through the conversion of prototype and the control of scale, the atmosphere of indoor and outdoor spaces could be in response to the environment specificity such as sky, wetland, reeds and flying birds.

带着谦虚和尊重，我们假设这座建筑将与自然区域和谐相处。其灵感来自十四世纪中国古代山水画家王猛所描绘的山水间散落的僻静棚屋。为了尽量减少这个地方在建设或使用时对当地生态系统的影响，建筑体量被分割和分散，在桩平台上方形成一组聚落，漂浮在水面上，隐藏在芦苇中。五会议展览、食堂、研究室、宿舍等不同体量的建筑通过曲折的栈桥相互连接。通过原型的转换和尺度的控制，室内外空间的氛围可以响应天空、湿地、芦苇和飞鸟等环境的特殊性。

Enlightened by the “shack with double pitched roof” in Wang Meng’s painting, we turned the double pitched roof over, made a “Y-shape” cantilever structure, juxtaposed these two “Y-shape” independent units and created a new double Y shape space (YY). This creative idea has brought this prototype new spatial meaning.

受王猛画中“双斜屋顶的棚屋”启发，我们将双斜屋顶翻转过来，做成“Y”字形悬臂结构，将这两个“Y字形”独立单元并置，创造了一个新的双Y字形空格（YY）。这个创意给这个原型带来了新的空间意义。

The scattered building volumes are fragmented by the overhanging saw-tooth roofs with deep eave which successfully eliminate the scale difference between buildings, and also are blurred by overlapped deep shadows and reflection above the water. Considering that weather-proof and maintenance of this facility are quit challenging work in high humidity and salinity conditions, the light steel or wooden structure was abandoned in our design.

分散的建筑体量被悬垂的深檐锯齿形屋顶打碎，成功消除了建筑物之间的尺度差异，也被重叠的深影和水面反射模糊。考虑到该设施的防风雨和维护在高湿度和高盐度条件下不再具有挑战性，我们在设计中放弃了轻钢或木结构。

Instead, reinforced concrete is selected to build with the simplicity of tectonics.Building A, B, C were built by Y-shaped cantilevered reinforced concrete bent frame structure with crisscross section and partial folded-plate. Among these buildings, the cantilever of building A was so large that the whole structure had to be constructed by steel reinforced concrete and the exhibition hall was partly designed with steel mezzanine; building D and E were constructed with concrete folded-plate structure.

取而代之的是，选择钢筋混凝土建造，其构造简单。A、B、C栋采用Y形悬臂钢筋混凝土弯曲框架结构，交叉截面和部分折板。在这些建筑中，A楼的悬臂很大，整个结构不得不用钢筋混凝土建造，展厅部分采用钢夹层设计； D楼和E楼采用混凝土折板结构建造。

In order to expose the crudeness from the concrete structure in wetland, long pine timber formworks were used in the as-cast-finish concrete construction to obtain natural wood texture. The non-structural enclosure and partition walls were also coated with refurbished recycled timber formworks to unify the material expression. Since sheltered from long overhang eaves, bird-friendly floor-to-ceiling windows with vertical grilles which provide the visitors maximum of field view are used for most external envelop.

为了暴露湿地混凝土结构的质感，在浇筑完成的混凝土结构中使用了长松木模板，以获得天然的木材纹理。非结构性围墙和隔墙还装有翻新的再生木材模板，以统一材料表达。由于避开了长悬垂的屋檐，大多数外部围护结构都使用了带有垂直格栅的鸟类友好型落地窗，为游客提供了最大的视野。

The trestle bridge and the water platform were paved with precast concrete battens with crack left between each other, which not only enhanced the feeling of walking over water but also made room for reed growth. Moreover, all the “valleys” bottom on the roof were covered with slightly undulating soil and low-maintenance planted miscanthus and shurbs. For the purpose of environment integration and sustainable recycling in the future, all the pitched roofs which trimmed with titanium-zinc sheet were covered with indigenous reed straw reaped and processed under the supervision of local experienced reed weavers.

栈桥与水上平台均采用预制混凝土板条铺设，相互间留有裂缝，既增强了在水上行走的感觉，又为芦苇生长留出了空间。此外，屋顶上的所有“山谷”底部都覆盖着略微起伏的土壤和低维护种植的芒草和灌木。为了未来环境整合和可持续循环利用，所有用钛锌板修整的斜屋顶都覆盖了本地芦苇秸秆，它们是在当地有经验的芦苇编织者监督下收割加工的。

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