Fichièr:Service botanist Mara Alexander taking a water sample (9666514088).jpg
Fichièr d'origina (6 000 × 4 000 pixèl, talha del fichièr: 14,96 Mo, tipe MIME: image/jpeg)
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Aqueste fichièr proven de Wikimedia Commons?. Las informacions que lo concernisson son afichadas çaijós (procedura). |
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Descripcion
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Researchers at the University of North Carolina at Asheville are working with the U.S. Fish & Wildlife Service to learn more about rare pitcher plants. Pitcher plants have a modified leaf in the shape of a pitcher. The pitcher is lined with tiny, downward-facing hairs. In many pitcher plants, an insect is attracted to the pitcher's scent, begins climbing down, and the hairs prevent it from reversing course, leaving its only option to go deeper, until it comes to the pool of enzymes, is digested, and feeds the plant. However, in other pitcher plants, the plants get others to do much of this work. In the purple pitcher plant, which is found in western North Carolina, the pool of water at the base of the pitcher is home to a community of life, with 165 species found living within its pitchers. In these cases, it's this community of life that does the digesting, and the plant absorbs nutrients released as these other species feed and grow. The purple pitcher plant hybridizes with the endangered mountain sweet pitcher plant, which uses enzymes to digest insects. Two different pitcher plants. Two different feeding strategies. What happens in their offspring? That's one of the questions the researchers hope to answer. By periodically collecting and examining water from the pitchers, they'll gain an understanding of how both communities of life and enzyme solutions vary among the purple, mountain sweet, and hybrid pitcher plants. |
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Service botanist Mara Alexander taking a water sample
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| Autor | U.S. Fish and Wildlife Service Southeast Region |
Publicat jos licéncia(s)
- Sètz liure :
- de partejar – de copiar, distribuir e transmetre aquesta òbra
- d'adaptar – d'adaptar aquesta òbra
- Jos las condicions seguentas :
- atribucion – Vos cal atribuir aquesta òbra amb lo biais especificat per l'autor o lo concedent (mas pas dins un sens que suggerís que vos apròvan o qu'apròvan l'utilizacion d'aquesta òbra).
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Aquesta imatge, originalment publicada a Flickr, ha estat verificada el 24 de novembre de 2013 per l'administrador o usuari acreditat File Upload Bot (Magnus Manske), i ha confirmat que en aquella data estava disponible a Flickr sota la llicència indicada. |
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Aquesta imatge o enregistrament és obra d'un empleat de l'U.S. Fish and Wildlife Service feta durant la prestació oficial de servei. Com a obra del govern federal dels EUA, el fitxer és en el domini públic. Per a més informació vegeu l'avís legal del Fish and Wildlife Service.
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| Data e ora | Miniatura | Dimensions | Utilizaire | Comentari | |
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| actual | 24 novembre de 2013 a 03.20 | | 6 000×4 000 (14,96 Mo) | File Upload Bot (Magnus Manske) | Transferred from Flickr by User:AlbertHerring |
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