Výsledky vyhledávání - "Accroissement du diamètre"

Accompagner la découverte scientifique des arbres par de jeunes élèves (Creil, France)

Autor: Patrice Clair, Annie Ocana, Mathilda Batteux, Ange Ansour, Kévin Candelier, Élisabeth Manzanares, Peggy Mouelle

Publikováno v: Bois et Forêts des Tropiques

Les enfants élaborent des représentations de la science et des scientifiques dès les premières années de l'école primaire. À ce niveau scolaire, les élèves qui participent à des activités expérimentales, encadrées par des enseignants et

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::796e02dc72897b2042b39e37b5bfc680
https://doi.org/10.19182/bft2021.349.a36792

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Quantifier les dimensions des houppiers à l’aide d’images aériennes à haute résolution pour estimer l’accroissement diamétrique des arbres dans les forêts d’Afrique centrale

Autor: Adeline Fayolle, Léopold Ndjele Mianda-Bungi, Jean-Baptiste Ndamiyehe Ncutirakiza, Gauthier Ligot, Philippe Lejeune, Sylvie Gourlet-Fleury

Publikováno v: Bois et Forêts des Tropiques

Caractériser la dynamique d’une forêt est essentiel pour la gestion forestière. Les houppiers des arbres forment un élément clé de cette dynamique ; mais, en forêt tropicale, les mesurer n’est pas simple. Cette étude teste l’utilisation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8697d6713b2c1779d92ebde148890670
https://doi.org/10.19182/bft2020.343.a31848

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Radial variations in wood functional traits in a rain forest from eastern Amazonia

Autor: Juan M. Posada, Romain Lehnebach, Bruno Clair, Jacques Beauchêne, Andrés González-Melo, Katherine Rivera, Sébastien Levionnois

Publikováno v: Trees
Trees-Structure and Function
Trees-Structure and Function, Springer Verlag, In press, ⟨10.1007/s00468-021-02229-1⟩
Trees-Structure and Function, 2022, 36, pp.569-581. ⟨10.1007/s00468-021-02229-1⟩

International audience; Trees can modify their wood structure in response to changes in mechanical, hydraulic and storage demands during their life-cycles. Thus, examining radial variations in wood traits is important to expand our knowledge of tree

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d38305d07f1216a7e4c3d1b014745ffa
http://agritrop.cirad.fr/599748/

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Influence des variations climatiques sur la croissance et la qualité du bois de deux essences des zones semi-arides tchadiennes : Faidherbia albida (Del.) A. Chev. et Balanites aegyptiaca (L.) Delile

Autor: Dougabka, Dao

Faidherbia albida et Balanites aegyptiaca sont deux espèces caractéristiques et emblématiques de la zone semi-aride tchadienne. Elles revêtent une grande importance socio-économique dans toutes leurs zones naturelles de répartition du fait de l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3631::2320f90b319f0b53200d2dd5d1aa84a8
http://agritrop.cirad.fr/601837/

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Growth determinants of timber species Triplochiton scleroxylon and implications for forest management in central Africa

Autor: Kasso Daïnou, Adeline Fayolle, Jean-François Gillet, Jean-Louis Doucet, Maaike De Ridder, Groenendijk Peter E, Gauthier Ligot, Thomas Drouet, Sylvie Gourlet-Fleury

Publikováno v: Forest Ecology and Management

The sustainability of the polycyclic logging system in tropical forests has been increasingly questioned for a variety of reasons, and particularly in central Africa as commercial species, mostly light-demanding long-lived pioneer species, usually fa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9696186bddfc15837c4ccc352c49e1cb
https://doi.org/10.1016/j.foreco.2019.01.042

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Growth and productivity modeling of seven Eucalyptus species in Souiniet's arboretum in the northwestern of Tunisia

Autor: Mohamed Tahar Elaieb, Kévin Candelier, Mohamed Larbi Larbi Khouja, Naoufel Souayah, Mariem Khouja, Ali Aloui, Sameh Mhamdi

Publikováno v: Forestist
Forestist, Vol 72, Iss 1, Pp 48-61 (2022)

This study consists of the development of tree growth models to deduce stands productivity and determine the highest productive species in the conditions of the concerned plantation. Seven Eucalyptus, introduced in the arboretum of Souiniet (north-we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::527f65a52d22182646e0f2a60de19604
http://agritrop.cirad.fr/599005/

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Asynchrony in shoot and root phenological relationships in hybrid walnut

Autor: Christophe Jourdan, Christian Dupraz, Awaz Mohamed, Yogan Monnier, Sylvie-Annabel Sabatier, Lydie Dufour, Alexia Stokes, Zhun Mao, Mathilde Millan

Publikováno v: New Forests
New Forests, Springer Verlag, 2020, 51 (1), pp.41-60. ⟨10.1007/s11056-019-09718-9⟩

International audience; Understanding the processes driving plant phenology is crucial for assessing how shifts in climate affect plant productivity and species’ distribution. Despite the key role of fine roots in carbon and nutrient cycling, root

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62f230edd1ff77d8c37e2c890f4baa22
https://hal.umontpellier.fr/hal-02277169

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Wood density variations of legume trees in French Guiana along the shade tolerance continuum: Heartwood effects on radial patterns and gradients

Autor: Jacques Beauchêne, Hélène Morel, Romain Lehnebach, Nadine Amusant, Stéphanie Va, Julie Bossu, Eric-André Nicolini

Publikováno v: Forests
Forests, 2019, 10 (2), pp.80. ⟨10.3390/f10020080⟩
Forests, MDPI, 2019, 10 (2), pp.80. ⟨10.3390/f10020080⟩
Forests, Vol 10, Iss 2, p 80 (2019)
Volume 10
Issue 2

International audience; Increasing or decreasing wood density (WD) from pith to bark is commonly observed in tropical tree species. The different types of WD radial variations, long been considered to depict the diversity of growth and mechanical str

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8ea1f38f6c1cc47dc0d2e9a9f4649c6
http://agritrop.cirad.fr/598726/

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Coppice potential of 16 different species of Eucalyptus after an eight-year rotation

Autor: Sbardella, Marina, Campoe, Otávio, Guillemot, Joannès, Le Maire, Guerric

Publikováno v: Pesquisa Florestal Brasileira

The adoption of coppice is a commonly used management in different regions of Brazil for plantations of Eucalyptus, which requires less investments. However, there are variations in the ability of each genotype to emit sprouts, and higher yields can

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3631::23b74296788b680d0f4c6cc0169f7304
http://agritrop.cirad.fr/594931/

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