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Dissertations / Theses on the topic 'Andean forest'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Ibarra, Eliessetch José Tomás. "Andean temperate forest owls : detectability, habitat relationships and reliability as biodiversity surrogates." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/51520.

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South American temperate forests are globally exceptional for their high concentration of endemic species. These ecosystems are one of the most endangered biomes on Earth because nearly 60% of forests have been lost. Current knowledge of most Neotropical forest owls is limited. I examined (i) detectability, (ii) occurrence and habitat-resource utilization across spatial scales, and (iii) surrogacy reliability of the threatened habitat-specialist rufous-legged owls (Strix rufipes) and habitat-generalist austral pygmy-owls (Glaucidium nana) in southern Chile. During 2011-2013, I conducted 1,145

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2

Letts, Matthew Guy. "Carbon assimilation and productivity in north-west Andean tropical montane cloud forest." Thesis, King's College London (University of London), 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405586.

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3

Jacquemin, Justine. "Factors determining the spatio-temporal distribution of ants in an Andean tropical forest." Doctoral thesis, Universite Libre de Bruxelles, 2013. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209504.

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In tropical forests, ants are numerous, diversified and ecologically important, being present from forest floor to upper canopy and exploiting a wide variety of diets. Nearly half of the ant species are directly in contact with the ground stratum, including the leaf-litter and the underlying soil, for nesting or foraging. The main factors known to influence ant distribution and abundance can be environmental (e.g. heterogeneous distribution of microhabitat size, nutrient availability, microclimate, soil properties) or biotic (e.g. inter- and intraspecific competition, prey availability). Some

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4

Salaman, Paul G. W. "The study of an understorey avifauna community in an Andean premontane pluvial forest." Thesis, University of Oxford, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393268.

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5

Alvarez, Sergio. "Valuing forest restoration and recreational benefits of a national park in Andean Colombia." [Gainesville, Fla.] : University of Florida, 2008. http://purl.fcla.edu/fcla/etd/UFE0022781.

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6

Carrizosa, Santiago 1964. "The economic valuation of a high Andean forest: The biophysical versus the market approach." Thesis, The University of Arizona, 1993. http://hdl.handle.net/10150/291466.

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Economic valuation techniques for environmental goods and services can contribute to decisions regarding the sustainable use and preservation of natural resources. Several valuation techniques have been developed based on neoclassical economics. However, when markets fail these techniques are not applicable. An alternative approach that is less dependent on pervasive markets comes from the school of biophysical economics. This approach is based on the energy theory. According to this theory, the embodied energy of the ecosystem is estimated and a money value is assigned to it. This thesis uses

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7

Ließ, Mareike [Verfasser], and Bernd [Akademischer Betreuer] Huwe. "Soil-Landscape Modelling in an Andean Mountain Forest Region in Southern Ecuador / Mareike Ließ. Betreuer: Bernd Huwe." Bayreuth : Universitätsbibliothek Bayreuth, 2011. http://d-nb.info/1015875416/34.

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8

Banda, Rodriguez Karina Paola. "Phytogeography and conservation of neotropical dry forest, with emphasis on Columbia." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/28955.

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Dry forest is one of the most threatened tropical forests in the world. Human impact has caused its massive transformation but conservation of dry forest has often been neglected across Latin America. In Colombia, less than 10% of the original extension of dry forest remains. This thesis studies the phytogeography of neotropical dry forest and its relevance for conservation using data from 1602 tree species inventories made in dry forests across Latin America and the Caribbean synthesised by The Latin American Seasonally Dry Tropical Forest Floristic Network (DRYFLOR). Clustering and ordinatio

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9

Girardin, Cécile A. J. "Ecosystem carbon dynamics from Andes to Amazon : investigating the effects of environmental parameters on productivity and carbon cycling of an Andean tropical montane forest." Thesis, University of Oxford, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.551278.

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The productivity and carbon cycling of tropical forests are an important aspect of the global carbon cycle. These variables have been investigated in lowland tropical forests, but they have rarely been studied in tropical montane forests. This thesis examines spatial and temporal patterns of above- and below-ground forest ecosystem carbon cycling along a transect of study sites ranging from lowland Amazonia (194 m) to the high Andes in S.B. Peru (3025 m), with a mean annual temperature ranging from 26.4 QC (194 m) to 11.8 QC (3020 m) and an annual rainfall ranging from 3086 mm yr" (1000 m) to

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10

Koch, Claudia [Verfasser]. "The Herpetofauna of the Peruvian dry forest along the Andean valley of the Marañón River and its tributaries, with a focus on endemic iguanians, geckos and tegus : Squamata: Iguanidae, Phyllodactylidae, Teiidae / Claudia Koch." Bonn : Universitäts- und Landesbibliothek Bonn, 2014. http://d-nb.info/1048091481/34.

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11

Loughlin, Nicholas. "Changing human impact on the montane forests of the eastern Andean flank, Ecuador." Thesis, Open University, 2018. http://oro.open.ac.uk/55087/.

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The montane cloud forests of South America are some of the most biodiverse habitats in the world, whilst also being especially vulnerable to climate change and human disturbance. Today much of this landscape has been transformed into a mosaic of secondary forest and agricultural fields. This thesis uses palaeoecological proxies (pollen, non-pollen palynomorphs, charcoal, organic content) to interpret ecosystem dynamics during the late Quaternary, unravelling the vegetation history of the landscape and the relationship between people and the montane cloud forest of the eastern Andean flank of E

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12

Politi, Natalia. "Selective Logging in Subtropical Montane Forests of the Andes: Its Effect on Avian Cavity Nesters." Fogler Library, University of Maine, 2008. http://www.library.umaine.edu/theses/pdf/PolitiN2008.pdf.

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13

Barreau, Daly Antonia. "Narrating changing foodways : wild edible plant knowledge and traditional food systems in Mapuche lands of the Andean temperate forests, Chile." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/51557.

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Despite increases in food production worldwide, we face a global food crisis. Yet, the literature on food vulnerability tends to emphasize cultivated foods, overlooking the importance of wild edible plants. This work explores the state of ethnobotanical knowledge on wild edible plants and changing foodways in a Mapuche community residing in the Andean temperate forests, Chile. This research contributes to an understanding of the influence of historical and contemporary eco-cultural processes on traditional ecological knowledge and food systems. I used ethnography, complemented with ethnobotan

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14

Miranda, Palacios Bernardo Carlos. "Propuesta para Evaluar la Recuperación Natural del Bosque Nativo en la Precordillera Andina de la VIII Región del Bío-Bío." Tesis, Universidad de Chile, 2008. http://www.repositorio.uchile.cl/handle/2250/104998.

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15

Hellström, Maria. "Skogen - en naturlig del av skolans verksamhet? : Faktorer som påverkar lärares användande av skogen som ett "andra klassrum"." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-31158.

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Denna undersökning tittar på hur ofta lärare i grundskolans årskurs 1-6 använder skogen som ett ”andra klassrum”. För att få en så bred uppfattning som möjligt har lärare som undervisar i årskurs 1-6 deltagit i en enkätundersökning. Undersökningen visar att avståndet till skogen har betydelse för hur många gånger/termin en lärare använder skogen som ett ”andra klassrum”. För de som har längst avstånd till skogen spelade vädret inte så stor roll för om man går till skogen och har undervisning. För lärare som hade skogen på kortast avstånd spelade vädrets betydelse en större roll. Få resurser, t

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16

Álvarez, Ruiz Sergio Marcelo. "Caracterización Florística y Proposición de una Tipología de la Vegetación para la Pre-Cordillera Andina de Santiago." Tesis, Universidad de Chile, 2008. http://www.repositorio.uchile.cl/handle/2250/105149.

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17

Joševski, Martina Verfasser], Dirk [Akademischer Betreuer] [Abel, and Jakob Lukas [Akademischer Betreuer] Andert. "Predictive energy management of hybrid electric vehicles with uncertain torque demand forecast for on-road operation / Martina Joševski ; Dirk Abel, Jakob Lukas Andert." Aachen : Universitätsbibliothek der RWTH Aachen, 2018. http://d-nb.info/1189332698/34.

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18

Ruelas, pacheco Dennisse. "Phylogeny, biogeography, and ecological adaptation on the Andes of the rodents of the genus Thomasomys Coues, 1884 : Rodentia : Cricetidae." Electronic Thesis or Diss., Université de Montpellier (2022-....), 2024. http://www.theses.fr/2024UMONG003.

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Le genre Thomasomys, un genre clé au sein de la tribu des Thomasomyini de la sous-famille des Sigmodontinae, est un point focal pour comprendre la phylogénie, la biogéographie et l'adaptation écologique des rongeurs andins. En tant que genre le plus diversifié au sein des Sigmodontinae, Thomasomys comprend 51 espèces valides et de nombreuses autres non décrites, habitant principalement les forêts montagnardes néotropicales et les páramos. Sa distribution exclut cependant des régions comme le Bouclier guyanais, les forêts tropicales de basse altitude, les déserts et les îles océaniques. Les rés

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19

Widelund, Mikael. "Eminens eller inkompetens : En studie om taktisk kompetens." Thesis, Försvarshögskolan, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:fhs:diva-4659.

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Syftet med uppsatsen är att öka förståelsen för taktisk kompetens som omhändertar den inneboende komplexiteten i militär verksamhet. Problemet häri är att kompetens kan anses vara något sällsynt och att inkompetens snarare är normalbilden. Uppsatsen tar sig an detta arbete genom att operationalisera Bertil Rolfs teorier om militär kompetens och Stephen Biddles teori om the Modern System. Ur detta teoretiska utblicksblicksfönster utfaller ett analysfilter bestående av kategorierna praktisk kunskap, professionell kunskap, regler och praktik inom institutioner och traditioner. Huruvida dessa kan

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20

Herz, Saenz Carlos. "Contribución al conocimiento de la relación hospedero-parásito-ambiente en el sistema de pastoreo tradicional a partir del estudio de coprolitos de perros y camélidos." Master's thesis, Pontificia Universidad Católica del Perú, 2009. http://tesis.pucp.edu.pe/repositorio/handle/123456789/1307.

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Esta tesis aborda el estudio cuantitativo de los contenidos de parásitos en muestras de coprolitos de perros pastores peruanos del sur (con pelo) y de camélidos provenientes de colecciones recolectadas en el área de influencia de la cultura Chiribaya, perteneciente a la civilización pre-inca, entre el Horizonte Medio (600 a 1000 años DE) y al periodo Intermedio Tardío (1000 a 1476 DE), de manera un poco más precisa entre los años 900 y 1350 DC ubicada fundamentalmente en la zona media baja del río Osmore, en lo que hoy corresponde a la provincia costera de Ilo, en el departamento de Moquegua.

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21

Peña, José Luis Marcelo. "Diversidade florística, dendrologia e dendroecologia em florestas estacionais decíduas do Centro e Norte do Peru." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-04082017-143653/.

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Neste estudo analisamos a diversidade e endemismos da flora lenhosa das florestas estacionais decíduas (FEDs) do norte e centro do Perú. Caracterizamos a diversidade das plantas lenhosas ao longo dos vales, para definir os valores de conservação da área a nível nacional. Os resultados indicam que as FEDs do vale do Marañón apresentam valores significativamente altos em endemias em relação às outras FEDs do Perú e FEDs vizinhas e o padrão de endemismos e estrutura populacional das espécies variam no gradiente geográfico e altitudinal. Em constraste, as FEDs do vale do rio Tambo, centro do Perú,

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22

Nilsson, Erik. "Forces of change : A theoretical analysis of syncretism between Theravada Buddhism and animistic indigenous beliefs in Thailand." Thesis, Högskolan i Gävle, Avdelningen för kultur-, religions- och utbildningsvetenskap, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-8073.

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Urak Lawoi is the name of one of the sea nomadic tribes which lives along the shores of Myanmar, Thailand and Malaysia. They are spread on many of the islands in the Andaman Sea archipelago and Ko Lanta is the main settlement. Urak Lawoi is regarded as the indigenous people of the island and they live there as a minority together with Muslims and Thai-Chinese. The traditional religion and culture of Urak Lawoi is built upon the animistic belief of their ancestors. In the last 20 years Ko Lanta has experienced a tremendous process of change caused by increasing tourism. The conditions of the U

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23

Callot, Pierre. "La Formation Ayabacas (limite Turonien-Coniacien, Sud-Pérou) : collapse sous-marin en réponse à l'amorce de l'orogenèse andine." Phd thesis, Université Paul Sabatier - Toulouse III, 2008. http://tel.archives-ouvertes.fr/tel-00305704.

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La Formation Ayabacas est une unité resédimentée, affectée de déformations spectaculaires, qui affleure irrégulièrement dans les Andes du sud du Pérou. Elle résulte du collapse sous-marin, aux alentours de la limite Turonien-Coniacien (~91-89 Ma), de la quasi-totalité de la plate-forme carbonatée qui s'était mise en place au cours de deux transgressions, entre l'Albien inférieur et l'Albien supérieur (~108,5 - ~102 Ma) pour la première, et entre le Cénomanien supérieur et le Turonien supérieur (~95 - ~90 Ma) pour la seconde. Le collapse a affecté une surface d'au moins 80 000 km2 et les dépôts

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24

Jost, François Paul. "Trees in the Andes:." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-215214.

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High mountain regions including the Andean region are very sensitive to climate change. Farmers in the central Andes of Peru are increasingly being exposed to the impacts of climate variability. This transdisciplinary research uses field laboratories, combining the farming system and the sustainable livelihood approaches, to carry out social, ecological, and financial assessments so as to identify sustainable and resilient livelihood strategies for small-scale Andean farmers. The first research step studies and characterizes farm household systems, influenced by their biophysical and socioecon

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25

McDermott, Molly E. "The Contribution of Agroforestry Systems to Bird Conservation in the Andes." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1397647503.

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26

Reynolds, Alexander A. "Diversity and rarity in an Andean cloud forest deceit pollination and fruit set in the endemic orchid, Chondroscaphe embreei /." 2004. http://purl.galileo.usg.edu/uga%5Fetd/reynolds%5Falexander%5F200408%5Fms.

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Thesis (M.S.)--University of Georgia, 2004.<br>Directed by C. Ronald Carroll. For abstract see http://getd.galib.uga.edu/public/reynolds_alexander_200408_ms/reynolds_alexander_200408_ms.pdf. Includes bibliographical references (leaves 95-104).

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27

Gordon, Jessica Danielle. "An analysis of forest change : a case study of the Chocó-Andean conservation corridor in the Upper Guayllabamba Watershed, Ecuador." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-05-1517.

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Deforestation in the tropics is considered to be a primary cause for worldwide loss of biological diversity. Future land use decisions have the potential to escalate or ameliorate this global problem. The goal of this research is to present a case study of an analysis of forest change within the Chocó-Andean Conservation Corridor in the Upper Guayllabamba Watershed in Northwestern Ecuador. Fieldwork, remote sensing, and a Geographic Information System (GIS) were used to analyze land use/land cover changes within the corridor. Change detection from 1986 to 2001 using Landsat imagery c

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28

Rao, Nagabhushana M. R. "Productivity studies of forests of Andaman and Nicobar islands." Thesis, 1989. http://hdl.handle.net/2009/1972.

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29

Marziano, Mario. "Il limite superiore della foresta andina dell’Ecuador durante l’Olocene: dati pedoantracologici." Tesi di dottorato, 2007. http://www.fedoa.unina.it/2262/1/Tesi_di_dottorato_Mario_Marziano.pdf.

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30

Linares-Palomino, Reynaldo. "Diversity and Ecological patterns of Bolivian deciduous forests." Doctoral thesis, 2009. http://hdl.handle.net/11858/00-1735-0000-0006-B65C-8.

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31

Rathakrishnan, L. "Utilisation of forests and impact on the economy of the Andaman and Nicobar Islands, India." Thesis, 1992. http://hdl.handle.net/2009/5703.

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32

Rodríguez, Fernando. "Reconstruction of late Quaternary landscape dynamics in the Podocarpus National Park region southern Andes of Ecuador." Thesis, 2012. http://hdl.handle.net/11858/00-1735-0000-0019-8636-2.

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Los Andes ecuatorianos albergan ecosistemas con la más alta biodiversidad sobre la tierra. Información preliminar sobre la dinámica de los ecosistemas en el pasado es necesaria para entender, conservar y manejar los ecosistemas y su biodiversidad. Tres muestras de sedimentos fueron datadas, Rabadilla de Vaca (RV) a 3244 m de altura y Valle Pequeño (VP) a 3200 m de altura, ambas en la parte central del Parque Nacional Podocarpus (PNP), y Lagunas Natosas Bosque (LNB) a 3495 m de altura, al sur del PNP al sur del Ecuador en la región llamada Depresión Andina. Estas muestras fueron estudiadas con

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33

Jacome, Reyes Jorge Hernan. "Factors controlling the lower elevational limits in tropical montane plants in the Andes and their implications under the current climatic change." Doctoral thesis, 2005. http://hdl.handle.net/11858/00-1735-0000-0006-B6D5-3.

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34

Köhler, Michael. "CACAO AGROFORESTRY UNDER AMBIENT AND REDUCED THROUGHFALL: TREE WATER USE CHARACTERISTICS AND STAND WATER BUDGETING." Doctoral thesis, 2010. http://hdl.handle.net/11858/00-1735-0000-0006-B135-A.

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35

Nöske, Nicole. "Effekte anthropogener Störung auf die Diversität kryptogamischer Epiphyten (Flechten, Moose) in einem Bergregenwald in Südecuador." Doctoral thesis, 2005. http://hdl.handle.net/11858/00-1735-0000-0006-B6EF-B.

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36

Jost, François Paul. "Trees in the Andes:: Sustainable livelihood strategies for risk reduction." Doctoral thesis, 2016. https://tud.qucosa.de/id/qucosa%3A30036.

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High mountain regions including the Andean region are very sensitive to climate change. Farmers in the central Andes of Peru are increasingly being exposed to the impacts of climate variability. This transdisciplinary research uses field laboratories, combining the farming system and the sustainable livelihood approaches, to carry out social, ecological, and financial assessments so as to identify sustainable and resilient livelihood strategies for small-scale Andean farmers. The first research step studies and characterizes farm household systems, influenced by their biophysical and socioec

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37

Gagnon, Edeline. "Systématique et biogéographie du groupe Caesalpinia (famille Leguminosae)." Thèse, 2015. http://hdl.handle.net/1866/13587.

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Parmi les lignées des Caesalpinioideae (dans la famille des Leguminosae), l’un des groupes importants au sein duquel les relations phylogénétiques demeurent nébuleuses est le « groupe Caesalpinia », un clade de plus de 205 espèces, réparties présentement entre 14 à 21 genres. La complexité taxonomique du groupe Caesalpinia provient du fait qu’on n’arrive pas à résoudre les questions de délimitations génériques de Caesalpinia sensu lato (s.l.), un regroupement de 150 espèces qui sont provisoirement classées en huit genres. Afin d’arriver à une classification générique stable, des analyses phylo

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