DOCSLIB.ORG

TAXON:Lovoa Trichilioides Harms SCORE

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text

Load more

TAXON: Lovoa trichilioides Harms SCORE: -1.0 RATING: Low Risk Taxon: Lovoa trichilioides Harms Family: Meliaceae Common Name(s): African walnut Synonym(s): Lovoa brownii Sprague Benin walnut Lovoa klaineana Pierre ex Sprague Congowood Nigerian golden walnut tigerwood Assessor: Chuck Chimera Status: Assessor Approved End Date: 17 Jun 2021 Designation: L Low Risk WRA Score: -1.0 Rating: Keywords: Tropical Tree, Timber Source, Shade-Tolerant, Monoecious, Wind-Dispersed Qsn # Question Answer Option Answer 101 Is the species highly domesticated? y=-3, n=0 n 102 Has the species become naturalized where grown? 103 Does the species have weedy races? Species suited to tropical or subtropical climate(s) - If 201 island is primarily wet habitat, then substitute "wet (0-low; 1-intermediate; 2-high) (See Appendix 2) High tropical" for "tropical or subtropical" 202 Quality of climate match data (0-low; 1-intermediate; 2-high) (See Appendix 2) High 203 Broad climate suitability (environmental versatility) y=1, n=0 y Native or naturalized in regions with tropical or 204 y=1, n=0 y subtropical climates Does the species have a history of repeated introductions 205 y=-2, ?=-1, n=0 n outside its natural range? 301 Naturalized beyond native range y = 1*multiplier (see Appendix 2), n= question 205 n 302 Garden/amenity/disturbance weed n=0, y = 1*multiplier (see Appendix 2) n 303 Agricultural/forestry/horticultural weed n=0, y = 2*multiplier (see Appendix 2) n 304 Environmental weed n=0, y = 2*multiplier (see Appendix 2) n 305 Congeneric weed n=0, y = 1*multiplier (see Appendix 2) n 401 Produces spines, thorns or burrs y=1, n=0 n 402 Allelopathic y=1, n=0 n 403 Parasitic y=1, n=0 n 404 Unpalatable to grazing animals 405 Toxic to animals 406 Host for recognized pests and pathogens 407 Causes allergies or is otherwise toxic to humans Creation Date: 17 Jun 2021 (Lovoa trichilioides Harms) Page 1 of 14 TAXON: Lovoa trichilioides Harms SCORE: -1.0 RATING: Low Risk 408 Creates a fire hazard in natural ecosystems y=1, n=0 n 409 Is a shade tolerant plant at some stage of its life cycle y=1, n=0 y Tolerates a wide range of soil conditions (or limestone 410 y=1, n=0 n conditions if not a volcanic island) 411 Climbing or smothering growth habit y=1, n=0 n 412 Forms dense thickets y=1, n=0 n 501 Aquatic y=5, n=0 n 502 Grass y=1, n=0 n 503 Nitrogen fixing woody plant y=1, n=0 n Geophyte (herbaceous with underground storage organs 504 y=1, n=0 n -- bulbs, corms, or tubers) Evidence of substantial reproductive failure in native 601 y=1, n=0 n habitat 602 Produces viable seed y=1, n=-1 y 603 Hybridizes naturally 604 Self-compatible or apomictic 605 Requires specialist pollinators y=-1, n=0 n 606 Reproduction by vegetative fragmentation y=1, n=-1 n 607 Minimum generative time (years) 1 year = 1, 2 or 3 years = 0, 4+ years = -1 >3 Propagules likely to be dispersed unintentionally (plants 701 y=1, n=-1 n growing in heavily trafficked areas) 702 Propagules dispersed intentionally by people y=1, n=-1 y 703 Propagules likely to disperse as a produce contaminant y=1, n=-1 n 704 Propagules adapted to wind dispersal y=1, n=-1 y 705 Propagules water dispersed 706 Propagules bird dispersed y=1, n=-1 n 707 Propagules dispersed by other animals (externally) y=1, n=-1 n 708 Propagules survive passage through the gut y=1, n=-1 n 801 Prolific seed production (>1000/m2) Evidence that a persistent propagule bank is formed (>1 802 y=1, n=-1 n yr) 803 Well controlled by herbicides 804 Tolerates, or benefits from, mutilation, cultivation, or fire y=1, n=-1 y Effective natural enemies present locally (e.g. introduced 805 biocontrol agents) Creation Date: 17 Jun 2021 (Lovoa trichilioides Harms) Page 2 of 14 TAXON: Lovoa trichilioides Harms SCORE: -1.0 RATING: Low Risk Supporting Data: Qsn # Question Answer 101 Is the species highly domesticated? n Source(s) Notes [Cultivated, but not domesticated] "Lovoa trichilioides wood is in high demand on the international market, which resulted in much Louppe, D., Oteng-Amoako, A.A. & Brink, M. (2008). Plant pressure on natural populations. It has become vulnerable, and the Resources of Tropical Africa 7(1). Timbers 1. PROTA establishment of methods of sustainable forest management for this Foundation, Wageningen, Netherlands species are needed. It can be expected that rotation cycles of about 50 years are needed for sustainable harvest. Lovoa trichilioides is recommended for forest enrichment planting." 102 Has the species become naturalized where grown? Source(s) Notes WRA Specialist. (2021). Personal Communication NA 103 Does the species have weedy races? Source(s) Notes WRA Specialist. (2021). Personal Communication NA Species suited to tropical or subtropical climate(s) - If 201 island is primarily wet habitat, then substitute "wet High tropical" for "tropical or subtropical" Source(s) Notes Louppe, D., Oteng-Amoako, A.A. & Brink, M. (2008). Plant "Lovoa trichilioides is widespread, from Sierra Leone east to western Resources of Tropical Africa 7(1). Timbers 1. PROTA Uganda, and south to north western Tanzania and northern Angola." Foundation, Wageningen, Netherlands 202 Quality of climate match data High Source(s) Notes Louppe, D., Oteng-Amoako, A.A. & Brink, M. (2008). Plant "Lovoa trichilioides is widespread, from Sierra Leone east to western Resources of Tropical Africa 7(1). Timbers 1. PROTA Uganda, and south to north western Tanzania and northern Angola." Foundation, Wageningen, Netherlands 203 Broad climate suitability (environmental versatility) y Source(s) Notes "Climate - L. trichilioides is found on a wide range of sites in tropical CAB International. (2005). Forestry Compendium. CAB Africa up to 1500 m altitude. The best growth occurs where mean International, Wallingford, UK annual rainfall exceeds 1500 mm and mean annual temperature is about 24-25°C." [Elevation range exceeds 1000 m] "Lovoa trichilioides occurs Louppe, D., Oteng-Amoako, A.A. & Brink, M. (2008). Plant scattered in evergreen forest and semi-deciduous forest, up to 1200 Resources of Tropical Africa 7(1). Timbers 1. PROTA m altitude. It prefers moist but free draining localities on alluvial Foundation, Wageningen, Netherlands soils and more than 2000 mm annual rainfall. In Ghana it is strongly associated with acid soils. In Uganda it is common in mixed Creation Date: 17 Jun 2021 (Lovoa trichilioides Harms) Page 3 of 14 TAXON: Lovoa trichilioides Harms SCORE: -1.0 RATING: Low Risk rainforest along Lake Victoria, but can also be found in gallery forest and thickets." Native or naturalized in regions with tropical or 204 y subtropical climates Source(s) Notes Louppe, D., Oteng-Amoako, A.A. & Brink, M. (2008). Plant "Lovoa trichilioides is widespread, from Sierra Leone east to western Resources of Tropical Africa 7(1). Timbers 1. PROTA Uganda, and south to north western Tanzania and northern Angola." Foundation, Wageningen, Netherlands Does the species have a history of repeated 205 n introductions outside its natural range? Source(s) Notes [Planted within native range] "Location of introductions - CAB International. (2005). Forestry Compendium. CAB Plantations have been established in Cameroon, Nigeria, Uganda International, Wallingford, UK and Côte d'Ivoire (Hawthorne, 1995)." 301 Naturalized beyond native range n Source(s) Notes Imada, C. (2019). Hawaiian Naturalized Vascular Plants Checklist (February 2019 update). Bishop Museum No evidence Technical Report 69. Bishop Museum, Honolulu, HI Randall, R.P. (2017). A Global Compendium of Weeds. 3rd No evidence Edition. Perth, Western Australia. R.P. Randall 302 Garden/amenity/disturbance weed n Source(s) Notes Randall, R.P. (2017). A Global Compendium of Weeds. 3rd No evidence Edition. Perth, Western Australia. R.P. Randall 303 Agricultural/forestry/horticultural weed n Source(s) Notes Randall, R.P. (2017). A Global Compendium of Weeds. 3rd No evidence Edition. Perth, Western Australia. R.P. Randall 304 Environmental weed n Source(s) Notes Randall, R.P. (2017). A Global Compendium of Weeds. 3rd No evidence Edition. Perth, Western Australia. R.P. Randall 305 Congeneric weed n Source(s) Notes [No evidence] "Lovoa comprises 2 species, both confined to tropical Louppe, D., Oteng-Amoako, A.A. & Brink, M. (2008). Plant Africa. It belongs to the tribe Swietenieae and is related to Resources of Tropical Africa 7(1). Timbers 1. PROTA Entandrophragma, Khaya and Pseudocedrela. Foundation, Wageningen, Netherlands Lovoa swynnertonii Baker f. occurs in eastern DR Congo, Kenya, Creation Date: 17 Jun 2021 (Lovoa trichilioides Harms) Page 4 of 14 TAXON: Lovoa trichilioides Harms SCORE: -1.0 RATING: Low Risk Uganda, Tanzania, Zimbabwe and Mozambique, in rainforest up to 1500 m altitude. It differs from Lovoa trichilioides by its asymmetrical leaflets and hairy inflorescences, but is otherwise similar. Its wood has been used for similar purposes as that of Lovoa trichilioides. Lovoa swynnertonii has been subject to heavy exploitation in many regions and is rare almost everywhere in its distribution area; it is listed as endangered in the IUCN Red list." Randall, R.P. (2017). A Global Compendium of Weeds. 3rd No evidence Edition. Perth, Western Australia. R.P. Randall 401 Produces spines, thorns or burrs n Source(s) Notes [No evidence] "Evergreen large tree up to 45 m tall; bole branchless for up to 25(–30) m, usually straight and cylindrical, sometimes sinuous, up to 120(–200) cm in diameter, slightly thickened at base or with short buttresses; bark surface greyish brown to blackish brown, smooth to scaly, with many lenticels, inner bark pinkish red with whitish streaks, fibrous, with strong sweet smell; crown dense, dark green; twigs glabrous. Leaves alternate, paripinnately or imparipinnately compound with (5–)10–15 leaflets, glabrous; stipules absent; petiole 3–9 cm long, channelled and slightly winged, rachis 4–20(–30) cm long; petiolules 2–10 mm long; leaflets opposite to alternate, elliptical to oblong-lanceolate, 5–25 cm × 2– Louppe, D., Oteng-Amoako, A.A.
Recommended publications
  • Physical, Mechanical, and Other Properties Of

    Physical, Mechanical, and Other Properties Of

    ARC: 634.9 TA/OST 73-24 C559a PHYSICAL, MECHANICAL, AND OTHER PROPERTIES OF SELECTED SECONDARY SPECIES in Surinam, Peru, Colombia, Nigeria, Gabon, Philippines, and Malaysia FPL-AID-PASA TA(Aj)2-73 (Species Properties) * PHYSICAL, MECHANICAL, AND OTHER PROPERTIES OF SELECTED SECONDARY SPECIES LOCATED IN SURINAM, PERU, COLOMBIA, NIGERIA, GABON, PHILIPPINES, AND MALAYSIA MARTIN CHUDNOFF, Forest Products Technologist Forest Products Laboratory Forest Service, U.S. Department of Agriculture Madison, Wisconsin 53705 November 1973 Prepared for AGENCY FOR INTERNATIONAL DEVELOPMENT U.S. Department of State Washington, DC 20523 ARC No. 634.9 - C 559a INTRODUCTION This report is a partial response to a Participating Agency Service Agreement between the Agency for Inter­ national Development and the USDA, Forest Service (PASA Control No. TA(AJ)2-73) and concerns a study of the factors influencing the utilization of the tropical forest resource. The purpose of this portion of the PASA obligation is to present previously published information on the tree and wood characteristics of selected secondary species growing m seven tropical countries. The format is concise and follows the outline developed for the second edition of the "Handbook of Hardwoods" published by HMSO, London. Species selected for review are well known in the source countries, but make up a very small component, if any, of their export trade. The reasons why these species play a secondary role in the timber harvest are discussed in the other accompanying PASA reports. ii INDEX Pages SURINAM 1-11 Audira spp. Eperu falcata Eschweilera spp. Micropholis guyanensis Nectandra spp. Ocotea spp. Parinari campestris Parinari excelsa Pouteria engleri Protium spp.
  • Complete Index of Common Names: Supplement to Tropical Timbers of the World (AH 607)

    Complete Index of Common Names: Supplement to Tropical Timbers of the World (AH 607)

    Complete Index of Common Names: Supplement to Tropical Timbers of the World (AH 607) by Nancy Ross Preface Since it was published in 1984, Tropical Timbers of the World has proven to be an extremely valuable reference to the properties and uses of tropical woods. It has been particularly valuable for the selection of species for specific products and as a reference for properties information that is important to effective pro- cessing and utilization of several hundred of the most commercially important tropical wood timbers. If a user of the book has only a common or trade name for a species and wishes to know its properties, the user must use the index of common names beginning on page 451. However, most tropical timbers have numerous common or trade names, depending upon the major region or local area of growth; furthermore, different species may be know by the same common name. Herein lies a minor weakness in Tropical Timbers of the World. The index generally contains only the one or two most frequently used common or trade names. If the common name known to the user is not one of those listed in the index, finding the species in the text is impossible other than by searching the book page by page. This process is too laborious to be practical because some species have 20 or more common names. This supplement provides a complete index of common or trade names. This index will prevent a user from erroneously concluding that the book does not contain a specific species because the common name known to the user does not happen to be in the existing index.
  • The Woods of Liberia

    The Woods of Liberia

    THE WOODS OF LIBERIA October 1959 No. 2159 UNITED STATES DEPARTMENT OF AGRICULTURE FOREST PRODUCTS LABORATORY FOREST SERVICE MADISON 5, WISCONSIN In Cooperation with the University of Wisconsin THE WOODS OF LIBERIA1 By JEANNETTE M. KRYN, Botanist and E. W. FOBES, Forester Forest Products Laboratory,2 Forest Service U. S. Department of Agriculture - - - - Introduction The forests of Liberia represent a valuable resource to that country-- especially so because they are renewable. Under good management, these forests will continue to supply mankind with products long after mined resources are exhausted. The vast treeless areas elsewhere in Africa give added emphasis to the economic significance of the forests of Liberia and its neighboring countries in West Africa. The mature forests of Liberia are composed entirely of broadleaf or hardwood tree species. These forests probably covered more than 90 percent of the country in the past, but only about one-third is now covered with them. Another one-third is covered with young forests or reproduction referred to as low bush. The mature, or "high," forests are typical of tropical evergreen or rain forests where rainfall exceeds 60 inches per year without pro­ longed dry periods. Certain species of trees in these forests, such as the cotton tree, are deciduous even when growing in the coastal area of heaviest rainfall, which averages about 190 inches per year. Deciduous species become more prevalent as the rainfall decreases in the interior, where the driest areas average about 70 inches per year. 1The information here reported was prepared in cooperation with the International Cooperation Administration. 2 Maintained at Madison, Wis., in cooperation with the University of Wisconsin.
  • Jack, Azadirachta Indica Juss. and in Tectona in Guinean -Congolese Africa, Or Between Grandis L.F

    Jack, Azadirachta Indica Juss. and in Tectona in Guinean -Congolese Africa, Or Between Grandis L.F

    IAWA Bulletin n.s., Vol. 10 (2),1989: 123-132 APPEARANCE AND PERIODICITY OF GROWTH RINGS IN SOME TROPICAL WOODS by Pierre Detienne Centre Technique Forestier Tropical, 45bis avenue de la Belle Gabrielle, 94736 Nogent-sur-Marne Cedex, France Summary Trees belonging to 30 tropical African and thus calculating their growth rate; detecting South American hardwood species were variations in growth rate during the tree life wounded annually. This made it possible, or accurately dating phenomena that left after the trees had been felled, to mark pre­ traces in the wood, e.g. insect attack or slight cisey the annual growth rings and determine fire damage. their boundaries. These boundaries are al­ ways formed during the longest dry season Materials and Methods and clearly express the rhythm of cambial Experiments were carried out on 2 to 10 activity. The appearance and nature of these trees selected from 30 species belonging to growth rings vary according to genera rather 26 genera of 16 families, in Guinean-Congo­ than to types of climate. lese Africa and French Guiana. The species Key words: Annual growth rings, tropical are listed in Table 1. African and American hardwoods, wood The cambial activity was recorded every structure. two weeks with band dendrometers at a pre­ cision of 0.2 mm over periods of 4 to 7 years Introduction depending on species or observation stations. For a long time tropical trees have been The accurate detection of growth rings described as fast and continuously growing was accomplished thanks to scars left in the plants for their entire life span.
  • Geo-Referencing, Mapping and Growth Variables Distribution of Trees Species in Forestry Research Institute of Nigeria (FRIN), ONNE, Nigeria

    Geo-Referencing, Mapping and Growth Variables Distribution of Trees Species in Forestry Research Institute of Nigeria (FRIN), ONNE, Nigeria

    IOSR Journal of Environmental Science, Toxicology and Food Technology (IOSR-JESTFT) e-ISSN: 2319-2402,p- ISSN: 2319-2399.Volume 14, Issue 4 Ser. I (April. 2020), PP 20-28 www.iosrjournals.org Geo-Referencing, Mapping and Growth Variables Distribution of Trees Species in Forestry Research Institute Of Nigeria (FRIN), ONNE, Nigeria Oyebade, B. A., Amadi, I, and Aigbe, H. I. Department of Forestry & Wildlife Management, University of Port Harcourt, Nigeria Abstract: This study evaluated the use of information system in vegetation pattern, tree species abundance, and tree species diversity within the Forestry Research Institute of Nigeria (FRIN), Onne, Rivers State, Nigeria. Tree management requires information on the growing stock, distribution pattern and diversity. Such relevant information will guide managers in proper appraisal and proficient exploitation of the forest resources. All trees within the sampled plots were measured using modern inventory methods. The measurements obtained were grouped into species, diameter at breast height; height classes and their basal area estimates computed. Global Positioning System (GPS) was used to record the coordinates of individual trees, with their points recognized on the imagery for the geo-referencing of the satellite imagery and imported into ArcGIS 10.5 for further geo-processing analyses. Trees within the forested area were measured and the names, families, diameter at breast height were recorded. A total of 1151 trees of 16 different tree species from 12 families recorded were Melicieae family with highest proportion of 11.9%. Pinus caribeae and Nauclea diderrichii were mostly dominated with highest proportion of 21.9% and 20.3% respectively. Majority of the tree species were found in the southern part of the study area while remaining existed along in the northern part.
  • The One Hundred Tree Species Prioritized for Planting in the Tropics and Subtropics As Indicated by Database Mining

    The One Hundred Tree Species Prioritized for Planting in the Tropics and Subtropics As Indicated by Database Mining

    The one hundred tree species prioritized for planting in the tropics and subtropics as indicated by database mining Roeland Kindt, Ian K Dawson, Jens-Peter B Lillesø, Alice Muchugi, Fabio Pedercini, James M Roshetko, Meine van Noordwijk, Lars Graudal, Ramni Jamnadass The one hundred tree species prioritized for planting in the tropics and subtropics as indicated by database mining Roeland Kindt, Ian K Dawson, Jens-Peter B Lillesø, Alice Muchugi, Fabio Pedercini, James M Roshetko, Meine van Noordwijk, Lars Graudal, Ramni Jamnadass LIMITED CIRCULATION Correct citation: Kindt R, Dawson IK, Lillesø J-PB, Muchugi A, Pedercini F, Roshetko JM, van Noordwijk M, Graudal L, Jamnadass R. 2021. The one hundred tree species prioritized for planting in the tropics and subtropics as indicated by database mining. Working Paper No. 312. World Agroforestry, Nairobi, Kenya. DOI http://dx.doi.org/10.5716/WP21001.PDF The titles of the Working Paper Series are intended to disseminate provisional results of agroforestry research and practices and to stimulate feedback from the scientific community. Other World Agroforestry publication series include Technical Manuals, Occasional Papers and the Trees for Change Series. Published by World Agroforestry (ICRAF) PO Box 30677, GPO 00100 Nairobi, Kenya Tel: +254(0)20 7224000, via USA +1 650 833 6645 Fax: +254(0)20 7224001, via USA +1 650 833 6646 Email: [email protected] Website: www.worldagroforestry.org © World Agroforestry 2021 Working Paper No. 312 The views expressed in this publication are those of the authors and not necessarily those of World Agroforestry. Articles appearing in this publication series may be quoted or reproduced without charge, provided the source is acknowledged.
  • Wood Toxicity: Symptoms, Species, and Solutions by Andi Wolfe

    Wood Toxicity: Symptoms, Species, and Solutions by Andi Wolfe

    Wood Toxicity: Symptoms, Species, and Solutions By Andi Wolfe Ohio State University, Department of Evolution, Ecology, and Organismal Biology Table 1. Woods known to have wood toxicity effects, arranged by trade name. Adapted from the Wood Database (http://www.wood-database.com). A good reference book about wood toxicity is “Woods Injurious to Human Health – A Manual” by Björn Hausen (1981) ISBN 3-11-008485-6. Table 1. Woods known to have wood toxicity effects, arranged by trade name. Adapted from references cited in article. Trade Name(s) Botanical name Family Distribution Reported Symptoms Affected Organs Fabaceae Central Africa, African Blackwood Dalbergia melanoxylon Irritant, Sensitizer Skin, Eyes, Lungs (Legume Family) Southern Africa Meliaceae Irritant, Sensitizer, African Mahogany Khaya anthotheca (Mahogany West Tropical Africa Nasopharyngeal Cancer Skin, Lungs Family) (rare) Meliaceae Irritant, Sensitizer, African Mahogany Khaya grandifoliola (Mahogany West Tropical Africa Nasopharyngeal Cancer Skin, Lungs Family) (rare) Meliaceae Irritant, Sensitizer, African Mahogany Khaya ivorensis (Mahogany West Tropical Africa Nasopharyngeal Cancer Skin, Lungs Family) (rare) Meliaceae Irritant, Sensitizer, African Mahogany Khaya senegalensis (Mahogany West Tropical Africa Nasopharyngeal Cancer Skin, Lungs Family) (rare) Fabaceae African Mesquite Prosopis africana Tropical Africa Irritant Skin (Legume Family) African Padauk, Fabaceae Central and Tropical Asthma, Irritant, Nausea, Pterocarpus soyauxii Skin, Eyes, Lungs Vermillion (Legume Family)
  • PJ.ANT MATERIAL INTRODUCED 78241 to 78243—Continued. America, New York, N. Y , Through W. J. Morse, Bureau of Plant * Industry

    PJ.ANT MATERIAL INTRODUCED 78241 to 78243—Continued. America, New York, N. Y , Through W. J. Morse, Bureau of Plant * Industry

    32 PJ.ANT MATERIAL INTRODUCED 78241 to 78243—Continued. 78256 to 78260. America, New York, N. Y , through W. J. From Mount Silinda, Southern Rhodesia, Morse, Bureau of Plant * Industry. Re- Africa. Seeds presented by Dr. W. L. ceived December 20, 1928. Thompson, American Board Mission in South Africa. Received December 26, Varieties grown at the Ekaterinoslav 1928. Experiment Station. 78256. DIOSPYROS SENEGALENSIS Perr. 78241. No. 57. 78243. No. 61. Diospyraceae. Persimmon. 78242. No. 59. A shrub or small tree, native to trop- ical Africa, with small edible fruits up 78244. CEIBA ACUMTNATA (S. Wats.) to an inch in diameter, said to be of good flavor and sometimes called " monkey Rose. Bombacaceae. Pochote. guavas." Prom Guaymas, Sonora, Mexico. Seeds ob- ta;ned from H. S. Bursley, American con- For previous introduction see No. sul, Guaymas, through Henry C. A. 70941. Damm, American consul, Nogales, So- nora. Received December 20, 1928. 78257. KHAYA NYASICA Stapf. Meliaceae. The red mahogany is one of the most A close relative of the kapok tree (Ceiba valuable timber trees of Rhodesia and is pentandra), said to be a large or medium- widely distributed over Mozambique. It sized tree with a greenish spiUy trunk, com- is fairly rapid in growth, though not pound leaves, and hard oblong fruits about equal to some of the eucalypts in this re- 7 inches long, which contain whitish down spect. It is found most often growing; used for stuffing pillows, life preservers, and near streams, and also occurs on high for making candlewicks. It is native to ground at a distance from water.
  • Evolution Et Adaptation Fonctionnelle Des Arbres Tropicaux : Le Cas Du Genre Guibourtia Benn

    Evolution Et Adaptation Fonctionnelle Des Arbres Tropicaux : Le Cas Du Genre Guibourtia Benn

    EVOLUTION ET ADAPTATION FONCTIONNELLE DES ARBRES TROPICAUX : LE CAS DU GENRE GUIBOURTIA BENN. FELICIEN TOSSO COMMUNAUTE FRANÇAISE DE BELGIQUE UNIVERSITE DE LIEGE – GEMBLOUX AGRO-BIO TECH EVOLUTION ET ADAPTATION FONCTIONNELLE DES ARBRES TROPICAUX : LE CAS DU GENRE GUIBOURTIA BENN. Dji-ndé Félicien TOSSO Dissertation originale présentée en vue de l’obtention du grade de docteur en sciences agronomiques et ingénierie biologique Co-Promoteurs : Prof. Jean-Louis Doucet et Dr. Olivier J. Hardy Année 2018 Copyright Cette œuvre est sous licence Creative Commons. Vous êtes libre de reproduire, de modifier, de distribuer et de communiquer cette création au public selon les conditions suivantes : - paternité (BY) : vous devez citer le nom de l'auteur original de la manière indiquée par l'auteur de l'œuvre ou le titulaire des droits qui vous confère cette autorisation (mais pas d'une manière qui suggérerait qu'ils vous soutiennent ou approuvent votre utilisation de l'œuvre) ; - pas d'utilisation commerciale (NC) : vous n'avez pas le droit d'utiliser cette création à des fins commerciales ; - partage des conditions initiales à l'identique (SA) : si vous modifiez, transformez ou adaptez cette création, vous n'avez le droit de distribuer la création qui en résulte que sous un contrat identique à celui-ci. À chaque réutilisation ou distribution de cette création, vous devez faire apparaitre clairement au public les conditions contractuelles de sa mise à disposition. Chacune de ces conditions peut être levée si vous obtenez l'autorisation du titulaire des droits sur cette œuvre. Rien dans ce contrat ne diminue ou ne restreint le droit moral de l’auteur.
  • Biogeography and Ecology in a Pantropical Family, the Meliaceae

    Biogeography and Ecology in a Pantropical Family, the Meliaceae

    Gardens’ Bulletin Singapore 71(Suppl. 2):335-461. 2019 335 doi: 10.26492/gbs71(suppl. 2).2019-22 Biogeography and ecology in a pantropical family, the Meliaceae M. Heads Buffalo Museum of Science, 1020 Humboldt Parkway, Buffalo, NY 14211-1293, USA. [email protected] ABSTRACT. This paper reviews the biogeography and ecology of the family Meliaceae and maps many of the clades. Recently published molecular phylogenies are used as a framework to interpret distributional and ecological data. The sections on distribution concentrate on allopatry, on areas of overlap among clades, and on centres of diversity. The sections on ecology focus on populations of the family that are not in typical, dry-ground, lowland rain forest, for example, in and around mangrove forest, in peat swamp and other kinds of freshwater swamp forest, on limestone, and in open vegetation such as savanna woodland. Information on the altitudinal range of the genera is presented, and brief notes on architecture are also given. The paper considers the relationship between the distribution and ecology of the taxa, and the interpretation of the fossil record of the family, along with its significance for biogeographic studies. Finally, the paper discusses whether the evolution of Meliaceae can be attributed to ‘radiations’ from restricted centres of origin into new morphological, geographical and ecological space, or whether it is better explained by phases of vicariance in widespread ancestors, alternating with phases of range expansion. Keywords. Altitude, limestone, mangrove, rain forest, savanna, swamp forest, tropics, vicariance Introduction The family Meliaceae is well known for its high-quality timbers, especially mahogany (Swietenia Jacq.).
  • Conservation Status of the Vascular Plants in East African Rain Forests

    Conservation Status of the Vascular Plants in East African Rain Forests

    Conservation status of the vascular plants in East African rain forests Dissertation Zur Erlangung des akademischen Grades eines Doktors der Naturwissenschaft des Fachbereich 3: Mathematik/Naturwissenschaften der Universität Koblenz-Landau vorgelegt am 29. April 2011 von Katja Rembold geb. am 07.02.1980 in Neuss Referent: Prof. Dr. Eberhard Fischer Korreferent: Prof. Dr. Wilhelm Barthlott Conservation status of the vascular plants in East African rain forests Dissertation Zur Erlangung des akademischen Grades eines Doktors der Naturwissenschaft des Fachbereich 3: Mathematik/Naturwissenschaften der Universität Koblenz-Landau vorgelegt am 29. April 2011 von Katja Rembold geb. am 07.02.1980 in Neuss Referent: Prof. Dr. Eberhard Fischer Korreferent: Prof. Dr. Wilhelm Barthlott Early morning hours in Kakamega Forest, Kenya. TABLE OF CONTENTS Table of contents V 1 General introduction 1 1.1 Biodiversity and human impact on East African rain forests 2 1.2 African epiphytes and disturbance 3 1.3 Plant conservation 4 Ex-situ conservation 5 1.4 Aims of this study 6 2 Study areas 9 2.1 Kakamega Forest, Kenya 10 Location and abiotic components 10 Importance of Kakamega Forest for Kenyan biodiversity 12 History, population pressure, and management 13 Study sites within Kakamega Forest 16 2.2 Budongo Forest, Uganda 18 Location and abiotic components 18 Importance of Budongo Forest for Ugandan biodiversity 19 History, population pressure, and management 20 Study sites within Budongo Forest 21 3 The vegetation of East African rain forests and impact
  • Flora 4.34MB

    Flora 4.34MB

    Baseline Vegetation and Flora Assessment, Yaligimba Concession, Feronia, DRC. Prepared by Leigh-Ann de Wet (M.Sc., Pri. Sci. Nat) For Digby Wells and Associates (International) Limited (Subsidiary of Digby Wells & Associates (Pty) Ltd) November 2015 LD Biodiversity Consulting Biodiversity Assessments, Baseline surveys and Impact Assessments and Integrated Management Solutions. www.ldbiodiversity.co.za [email protected] 083 352 1936 LD Biodiversity Consulting i Yaligimba Concession, Feronia This report should be cited as: L. de Wet (2014). Baseline Vegetation and Flora Assessment, Yaligimba Concession, Feronia, DRC. LD Biodiversity Consulting. Appointment of Specialist Leigh-Ann de Wet (LD Biodiversity Consulting) was commissioned by Digby Wells and Associates (International) Limited (Subsidiary of Digby Wells & Associates (Pty) Ltd) to undertake a vegetation and flora assessment along High Conservation Value Assessment goals (HCVRN 2014). Terms of reference were to review all information available on vegetation and flora of the region, as well as applying knowledge gained from a further brief site visit. Determinations of possible impacts associated with the existing plantation as well comments on High Conservation Value were also required. Details of Specialist Leigh-Ann de Wet LD Biodiversity Consulting Telephone: 083 352 1936 e-mail: [email protected] Expertise of the specialist M.Sc. in Botany from Rhodes University. Registered Professional Natural Scientist with the South African Council for Natural Scientific Professionals (Ecological Science). Registered with RSPO as a certified High Conservation Value Assessor (Plants), since 2011. Founded LD Biodiversity Consulting in 2014. Ecological Consultant since 2009. Conducted, or have been involved in over 100 Ecological Impact Assessments, Baseline surveys, Biodiversity Action Plans and Offset Plans throughout Africa.