- CATH Protein Structure Classification
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CATH is a novel hierarchical domain classification of protein structures in the Protein Data Bank (PDB). Users can search the database using PDB codes or general keywords, or browse the hierarchy, which classifies protein structure at four major levels: class, architecture, topology, and homologous superfamily. CATH entries also include images of protein structure and interactive three-dimensional renderings.
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- Iowa State University Entomology Image Gallery
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Iowa State University Entomology Image Gallery is part of the Entomology Image Gallery, Department of Entomology, Iowa State University, Ames, IA .this website includes beetles,lice, butterflies, moths, caterpillars,plant diseases and damage,cicadas,flies and mosquitoes, grasshoppers and crickets and so on.
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- 中国自然资源数据库：中国自然资源图集
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“中国自然资源图集”是中国科学院地理科学与资源研究所承建的“中国自然资源数据库”的一个子库，提供我国自然资源（包括：水资源、土地资源、森林资源、草畜资源、渔业资源、气候资源、农村能源、农业资源等）地理分布的详细信息。
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- 中国自然资源数据库：中国自然资源资源统计图集
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“中国自然资源资源统计图集”是中国科学院地理科学与资源研究所承担建设的“自然资源数据库”的一个子库，内容包括：土地资源图、生物资源图、农业资源图、工业资源图、综合经济图和人口与劳力图。这些专题地图是利用自然资源数据库中的数据和全国县界或省界图生成的。
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- KANSAS WILDFLOWERS AND GRASSES
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This site contains information and more than 1800 identification photos for some 450 species of forbs, grasses, sedges, rushes, and woody plants that are found growing in Kansas. All photographs were taken by Mike Haddock unless otherwise noted. They may be used for educational purposes but may not be downloaded for commercial use, i.e. to derive profit for yourself or your employer.
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- Cornell Plant Pathology Herbarium
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The Cornell Plant Pathology Herbarium (CUP) is a large research collection of preserved fungi and other organisms that cause plant diseases. CUP is the fourth or fifth largest mycological herbarium in North America. We hold about 400,000 fungus and plant disease specimens, including over 7000 type specimens, each the first of its kind to be described and named. The CUP Photograph Collection includes about 60,000 historical scientific photographs of mushrooms, agricultural practices, plant diseases, and portraits.
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- Forestry Images: Forest Health, Natural Resources, Fire, Trees, Wildlife, Silviculture Photos
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Forestry Images is a joint project of The Bugwood Network and USDA Forest Service. It collects the images about Forestry，including Forest Health, Natural Resources, Fire, Trees, Wildlife, Silviculture Photos.
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- Pests and Diseases Image Library
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Pests and Diseases Image Library，offering high-quality colour diagnostic images and information on pests and diseases. PaDIL helps protect against invasive threats to Australia's plant health.
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