Anatomical root adaptations to humidity regimes in the high Colombian Andes
Páramos rise over 3000 meters high in the Andes as the fastest evolving biodiversity hotspot. It is surprising that only few plant anatomy studies have been made in these areas. Considering that, this research consisted of exploring possible adaptations in root anatomy to differences in soil moistur...
- Autores:
-
López Cortés, Jorge Alberto
- Tipo de recurso:
- Fecha de publicación:
- 2017
- Institución:
- Universidad de los Andes
- Repositorio:
- Séneca: repositorio Uniandes
- Idioma:
- eng
- OAI Identifier:
- oai:repositorio.uniandes.edu.co:1992/34377
- Acceso en línea:
- http://hdl.handle.net/1992/34377
- Palabra clave:
- Ecología de páramos - Investigaciones - Andes (Región, Colombia)
Ecología forestal - Investigaciones - Andes (Región, Colombia)
Adaptación (Biología) - Investigaciones - Andes (Región, Colombia)
Biología
- Rights
- openAccess
- License
- http://creativecommons.org/licenses/by-nc-sa/4.0/
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Anatomical root adaptations to humidity regimes in the high Colombian Andes |
| title |
Anatomical root adaptations to humidity regimes in the high Colombian Andes |
| spellingShingle |
Anatomical root adaptations to humidity regimes in the high Colombian Andes Ecología de páramos - Investigaciones - Andes (Región, Colombia) Ecología forestal - Investigaciones - Andes (Región, Colombia) Adaptación (Biología) - Investigaciones - Andes (Región, Colombia) Biología |
| title_short |
Anatomical root adaptations to humidity regimes in the high Colombian Andes |
| title_full |
Anatomical root adaptations to humidity regimes in the high Colombian Andes |
| title_fullStr |
Anatomical root adaptations to humidity regimes in the high Colombian Andes |
| title_full_unstemmed |
Anatomical root adaptations to humidity regimes in the high Colombian Andes |
| title_sort |
Anatomical root adaptations to humidity regimes in the high Colombian Andes |
| dc.creator.fl_str_mv |
López Cortés, Jorge Alberto |
| dc.contributor.advisor.none.fl_str_mv |
Madriñán Restrepo, Santiago |
| dc.contributor.author.none.fl_str_mv |
López Cortés, Jorge Alberto |
| dc.contributor.jury.none.fl_str_mv |
Salgado Arenas, Marta Beatriz Garzón López, Carol Ximena |
| dc.subject.keyword.es_CO.fl_str_mv |
Ecología de páramos - Investigaciones - Andes (Región, Colombia) Ecología forestal - Investigaciones - Andes (Región, Colombia) Adaptación (Biología) - Investigaciones - Andes (Región, Colombia) |
| topic |
Ecología de páramos - Investigaciones - Andes (Región, Colombia) Ecología forestal - Investigaciones - Andes (Región, Colombia) Adaptación (Biología) - Investigaciones - Andes (Región, Colombia) Biología |
| dc.subject.themes.none.fl_str_mv |
Biología |
| description |
Páramos rise over 3000 meters high in the Andes as the fastest evolving biodiversity hotspot. It is surprising that only few plant anatomy studies have been made in these areas. Considering that, this research consisted of exploring possible adaptations in root anatomy to differences in soil moisture. In order to investigate these adaptations, soil volumetric moisture was measured in different páramo zones. After these procedures, two humidity zones: "wet" and "dry" were distinguished by looking at soil moisture. Twelve congeneric species in six genera (Arcytophyllum, Eryngium, Espeletia, Hypericum, Lachemilla, Paepalanthus) inhabiting wet and dry zones were selected. To visualize and analyze possible anatomical adaptations to changes in soil humidity, we made hand cross-sections of equal-order rootlets. Root anatomical characters associated with water impermeability, storage, and transport were measured as well. We conducted a MANOVA test to find which characters were significatively associated to changes in soil humidity. Root anatomy was characterized for each species... |
| publishDate |
2017 |
| dc.date.issued.none.fl_str_mv |
2017 |
| dc.date.accessioned.none.fl_str_mv |
2020-06-10T09:03:21Z |
| dc.date.available.none.fl_str_mv |
2020-06-10T09:03:21Z |
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Trabajo de grado - Maestría |
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http://purl.org/coar/version/c_970fb48d4fbd8a85 |
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info:eu-repo/semantics/masterThesis |
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Text |
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http://purl.org/redcol/resource_type/TM |
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http://hdl.handle.net/1992/34377 |
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u807513.pdf |
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instname:Universidad de los Andes |
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reponame:Repositorio Institucional Séneca |
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repourl:https://repositorio.uniandes.edu.co/ |
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http://hdl.handle.net/1992/34377 |
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u807513.pdf instname:Universidad de los Andes reponame:Repositorio Institucional Séneca repourl:https://repositorio.uniandes.edu.co/ |
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eng |
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eng |
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http://creativecommons.org/licenses/by-nc-sa/4.0/ |
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info:eu-repo/semantics/openAccess |
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http://creativecommons.org/licenses/by-nc-sa/4.0/ http://purl.org/coar/access_right/c_abf2 |
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openAccess |
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51 hojas |
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application/pdf |
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Uniandes |
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Maestría en Ciencias Biológicas |
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Facultad de Ciencias |
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Departamento de Biología |
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Al consultar y hacer uso de este recurso, está aceptando las condiciones de uso establecidas por los autores.http://creativecommons.org/licenses/by-nc-sa/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Madriñán Restrepo, Santiago31857066-dc73-433e-8432-f4a79671862a400López Cortés, Jorge Alberto49f108c0-9677-4e68-8915-e7a77dd6a500500Salgado Arenas, Marta BeatrizGarzón López, Carol Ximena2020-06-10T09:03:21Z2020-06-10T09:03:21Z2017http://hdl.handle.net/1992/34377u807513.pdfinstname:Universidad de los Andesreponame:Repositorio Institucional Sénecarepourl:https://repositorio.uniandes.edu.co/Páramos rise over 3000 meters high in the Andes as the fastest evolving biodiversity hotspot. It is surprising that only few plant anatomy studies have been made in these areas. Considering that, this research consisted of exploring possible adaptations in root anatomy to differences in soil moisture. In order to investigate these adaptations, soil volumetric moisture was measured in different páramo zones. After these procedures, two humidity zones: "wet" and "dry" were distinguished by looking at soil moisture. Twelve congeneric species in six genera (Arcytophyllum, Eryngium, Espeletia, Hypericum, Lachemilla, Paepalanthus) inhabiting wet and dry zones were selected. To visualize and analyze possible anatomical adaptations to changes in soil humidity, we made hand cross-sections of equal-order rootlets. Root anatomical characters associated with water impermeability, storage, and transport were measured as well. We conducted a MANOVA test to find which characters were significatively associated to changes in soil humidity. Root anatomy was characterized for each species..."Los páramos son ecosistemas de alta montaña identificados como uno de los hotspot de biodiversidad con la mayor tasa evolutiva de los Andes. Teniendo esto en cuenta, en este trabajo se exploran posibles adaptaciones anatómicas de raíces de páramo en relación a diferencias en la humedad del suelo donde crecen. Para investigar estas posibles adaptaciones se midió el porcentaje de humedad volumétrica del suelo en varias zonas de páramo. Luego de realizar estas mediciones, dos grandes zonas de humedad fueron identificadas como "húmedas" y "secas". En estas zonas, doce especies congenéricas en seis géneros fueron seleccionadas (Arcytophyllum, Eryngium, Espeletia, Hypericum, Lachemilla, Paepalanthus). Para visualizar y analizar posibles adaptaciones anatómicas a los distintos regímenes de humedad, se hicieron cortes anatómicos de las distintas raíces a mano alzada. Se realizó una prueba de MANOVA para identificar aquellos caracteres que estaban significativamente asociados a la humedad del suelo. La anatomía radicular fue caracterizada para cada una de las especies estudiadas..."--Tomado del Formato de Documento de Grado.Magíster en Ciencias BiológicasMaestría51 hojasapplication/pdfengUniandesMaestría en Ciencias BiológicasFacultad de CienciasDepartamento de Biologíainstname:Universidad de los Andesreponame:Repositorio Institucional SénecaAnatomical root adaptations to humidity regimes in the high Colombian AndesTrabajo de grado - Maestríainfo:eu-repo/semantics/masterThesishttp://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/TMEcología de páramos - Investigaciones - Andes (Región, Colombia)Ecología forestal - Investigaciones - Andes (Región, Colombia)Adaptación (Biología) - Investigaciones - Andes (Región, Colombia)BiologíaPublicationTHUMBNAILu807513.pdf.jpgu807513.pdf.jpgIM Thumbnailimage/jpeg7085https://repositorio.uniandes.edu.co/bitstreams/73dc9702-09f3-4024-8514-0601e6e3f37b/downloadb3e53d6ebb5e77eb8200f1f94407951bMD55TEXTu807513.pdf.txtu807513.pdf.txtExtracted texttext/plain64806https://repositorio.uniandes.edu.co/bitstreams/ff967c62-5e91-46e2-80e9-c31898859c92/download19b6842a0cb2c1fa54d3e87799c6e68fMD54ORIGINALu807513.pdfapplication/pdf42286495https://repositorio.uniandes.edu.co/bitstreams/8ada0816-dc4f-4fca-b0e3-77115243cc96/download77df5b03ac601ec2b37e0356f31b36beMD511992/34377oai:repositorio.uniandes.edu.co:1992/343772023-10-10 19:12:07.469http://creativecommons.org/licenses/by-nc-sa/4.0/open.accesshttps://repositorio.uniandes.edu.coRepositorio institucional Sénecaadminrepositorio@uniandes.edu.co |