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The Freshwater Herring of Lake Tanganyika Are the Product of a Marine Invasion Into West Africa
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Open Marine Archive Marine Incursion: The Freshwater Herring of Lake Tanganyika Are the Product of a Marine Invasion into West Africa Anthony B. Wilson1,2¤*, Guy G. Teugels3, Axel Meyer1 1 Department of Biology, University of Konstanz, Konstanz, Germany, 2 Zoological Museum, University of Zurich, Zurich, Switzerland, 3 Ichthyology Laboratory, Royal Museum for Central Africa, Tervuren, Belgium Abstract The spectacular marine-like diversity of the endemic fauna of Lake Tanganyika, the oldest of the African Great Lakes, led early researchers to suggest that the lake must have once been connected to the ocean. Recent geophysical reconstructions clearly indicate that Lake Tanganyika formed by rifting in the African subcontinent and was never directly linked to the sea. Although the Lake has a high proportion of specialized endemics, the absence of close relatives outside Tanganyika has complicated phylogeographic reconstructions of the timing of lake colonization and intralacustrine diversification. The freshwater herring of Lake Tanganyika are members of a large group of pellonuline herring found in western and southern Africa, offering one of the best opportunities to trace the evolutionary history of members of Tanganyika’s biota. Molecular phylogenetic reconstructions indicate that herring colonized West Africa 25–50MYA, at the end of a major marine incursion in the region. Pellonuline herring subsequently experienced an evolutionary radiation in West Africa, spreading across the continent and reaching East Africa’s Lake Tanganyika during its early formation. While Lake Tanganyika has never been directly connected with the sea, the endemic freshwater herring of the lake are the descendents of an ancient marine incursion, a scenario which may also explain the origin of other Tanganyikan endemics. -
Fish, Various Invertebrates
Zambezi Basin Wetlands Volume II : Chapters 7 - 11 - Contents i Back to links page CONTENTS VOLUME II Technical Reviews Page CHAPTER 7 : FRESHWATER FISHES .............................. 393 7.1 Introduction .................................................................... 393 7.2 The origin and zoogeography of Zambezian fishes ....... 393 7.3 Ichthyological regions of the Zambezi .......................... 404 7.4 Threats to biodiversity ................................................... 416 7.5 Wetlands of special interest .......................................... 432 7.6 Conservation and future directions ............................... 440 7.7 References ..................................................................... 443 TABLE 7.2: The fishes of the Zambezi River system .............. 449 APPENDIX 7.1 : Zambezi Delta Survey .................................. 461 CHAPTER 8 : FRESHWATER MOLLUSCS ................... 487 8.1 Introduction ................................................................. 487 8.2 Literature review ......................................................... 488 8.3 The Zambezi River basin ............................................ 489 8.4 The Molluscan fauna .................................................. 491 8.5 Biogeography ............................................................... 508 8.6 Biomphalaria, Bulinis and Schistosomiasis ................ 515 8.7 Conservation ................................................................ 516 8.8 Further investigations ................................................. -
Species Summary
Hoplobatrachus occipitalis Region: 10 Taxonomic Authority: (Gunther, 1858) Synonyms: Common Names: Crowned Bullfrog English Order: Anura Family: Ranidae Notes on taxonomy: This species is believed to consist of at least two species (Bogart and Tandy 1981), with tetraploid populations known from the islands of Lake Victoria and from Liberia. These have not yet been formally distinguished. General Information Biome Terrestrial Freshwater Marine Geographic Range of species: Habitat and Ecology Information: This species of the African savannah zone ranges from southern It lives in many habitats from dry savannahs to disturbed forest, using Mauritania to Ethiopia, south through East Africa to northern Zambia, logging roads and rivers to penetrate deep into lowland forest. It breeds southern and western Democratic Republic of Congo, Angola, and in small to medium-sized temporary waters, but not in permanent coastal Congo and Gabon. There are isolated populations in waters, since it cannot compete with fish. southwestern Libya, southeastern Western Sahara and nearby Mauritania, the Air mountains of Niger, and northern Mali [Adrar de Iforas]). Conservation Measures: Threats: It occurs in many protected areas. Human consumption is a problem locally, especially in West and Central Africa. However, it is an adaptable species, and overall it is not significantly threatened. Species population information: It is widespread and common over much of its range, with relict isolated populations in oases and wells in the Sahelian and Saharan regions. Native -
29Th 2019-Uganda
AVIAN SAFARIS 23 DAY UGANDA BIRDING AND NATURE TOUR ITINERARY Date: July 7 July 29, 2019 Tour Leader: Crammy Wanyama Trip Report and all photos by Crammy Wanyama Black-headed Gonolek a member of the Bush-shrikes family Day 1 – July 7, 2019: Beginning of the tour This tour had uneven arrivals. Two members arrived two days earlier and the six that came in on the night before July 7th, stayed longer; therefore, we had a pre and post- tour to Mabira Forest. For today, we all teamed up and had lunch at our accommodation for the next two nights. This facility has some of the most beautiful gardens around Entebbe; we decided to spend the rest of the afternoon here watching all the birds you would not expect to find around a city garden. Some fascinating ones like the Black-headed Gonolek nested in the garden, White-browed Robin-Chat too did. The trees that surrounded us offered excellent patching spots for the African Hobby. Here we had a Falco patching out in the open for over forty minutes! Superb looks at a Red-chested and Scarlet-chested Sunbirds. The gardens' birdbath attracted African Thrush that reminded the American birders of their American Robin, Yellow- throated Greenbul. Still looking in the trees, we were able to see African Grey Woodpeckers, both Meyer's and Grey Parrot, a pair of Red-headed Lovebirds. While walking around the facility, we got good looks at a flying Shikra and spent ample time with Ross's Turaco that flew back and forth. We had a very lovely Yellow-fronted Tinkerbird on the power lines, Green-backed Camaroptera, a very well sunlit Avian Safaris: Email: [email protected] Website: http://www.aviansafaris.com AVIAN SAFARIS Spectacled Weaver, was added on the Village and Baglafecht Weavers that we had seen earlier and many more. -
Preliminary Survey of the Avifauna of Mt Tchabal Mbabo, West-Central Cameroon THOMAS BATES SMITH and DUNCAN Mcniven
Bird Conservation International (1993) 3:13-19 Preliminary survey of the avifauna of Mt Tchabal Mbabo, west-central Cameroon THOMAS BATES SMITH and DUNCAN McNIVEN Summary The montane forests of western Cameroon are well known for their endemic birds. The most northerly such forests probably occur on Mt Tchabal Mbabo, where a preliminary survey of the avifauna in 1990 found 12 montane species, of which six represented significant range extensions, among them the threatened Ploceus bannermani. Given the increasing human pressures on other montane forests in Cameroon, Mt Tchabal Mbabo may be attractive for future conservation because of its comparative lack of human dis- turbance. Densities of indigenous people are low and there is a lack of significant hunting and firewood-gathering, the precipitous nature of the northern slope makes human intrusions difficult, and the lack of human disturbance may mean that local animal populations are stable. Les forets d'altitude de l'ouest du Cameroun sont bien connues pour leurs populations endemiques d'oiseaux. Les forets les plus au nord sont celles du Mont Tchabal Mbabo, ou un recensement preliminaire de la faune aviaire en 1990 a revele 12 especes, dont six avaient une aire de repartition relativement grande, y compris l'espece menacee Ploceus bannermani. Etant donne l'accroissement des pressions humaines sur les autres forets d'altitude au Cameroun, le Mont Tchabal Mbabo pourrait se reveler interessant pour des programmes de conservation futurs, compte tenu d'une perturbation humaine relat- ivement inexistante. Les densites de population indigene y sont faibles, et la chasse ainsi que le ramassage du bois pour les besoins domestiques ne sont pas significatifs. -
FISH4ACP Unlocking the Potential of Sustainable Fisheries and Aquaculture in Africa, the Caribbean and the Pacific
FISH4ACP Unlocking the potential of sustainable fisheries and aquaculture in Africa, the Caribbean and the Pacific United Republic of Tanzania FISH4ACP aims to strengthen and safeguard the sardine, sprat and perch value chains in Lake Tanganyika by investing in inclusive growth WHAT WE focus to bolster food security for future generations, reduce poverty and on contribute to the conservation of natural resources. → Comprehensive value chain analysis to make Lake VALUE CHAIN AT A GLANCE Tanganyika sardine, sprat and perch sector more Lake Tanganyika sardine (Limnothrissa miodon), sustainable. sprat (Stolothrissa tanganicae) and perch (Lates stappersii) → Enhancement of fish handling and processing methods to limit post-harvest losses and boost fish product quality. → Reduce harmful health impacts of fish smoking and accelerate energy use efficiency by expanding best practice fish-smoking techniques and using kilns. PRODUCTION METHOD VOLUMES * VALUE * → Capacity building on sustainable fishing practices Night fishing Artisanal. Sprat: 30 995 and use of gear. with lights, lamps and USD 117 lift-nets (sprat and sardine). Sardine: 6 315 Vertical handlines, Perch: 22 264 million → Strengthen value chain jigged lines, gill-nets and tonnes governance and empower lift-nets (perch) institutions for sustainable Source: Food and Agriculture Organization of the United Nations, fisheries management. Original Scientific Illustrations Archive. Reproduced with permission Facts figures The& United Republic of Tanzania is Lake Tanganyika’s principal producer of sardine, sprat and perch, accounting for up to 40% of the annual catch. Exports of Lake Tanganyika sprat, sardine and perch from the United Republic of Tanzania were ©FAO Hashim Muumin ©FAO worth USD 1.1 million in 2018. -
Magnoliophyta, Arly National Park, Tapoa, Burkina Faso Pecies S 1 2, 3, 4* 1 3, 4 1
ISSN 1809-127X (online edition) © 2011 Check List and Authors Chec List Open Access | Freely available at www.checklist.org.br Journal of species lists and distribution Magnoliophyta, Arly National Park, Tapoa, Burkina Faso PECIES S 1 2, 3, 4* 1 3, 4 1 OF Oumarou Ouédraogo , Marco Schmidt , Adjima Thiombiano , Sita Guinko and Georg Zizka 2, 3, 4 ISTS L , Karen Hahn 1 Université de Ouagadougou, Laboratoire de Biologie et Ecologie Végétales, UFR/SVT. 03 09 B.P. 848 Ouagadougou 09, Burkina Faso. 2 Senckenberg Research Institute, Department of Botany and molecular Evolution. Senckenberganlage 25, 60325. Frankfurt am Main, Germany 3 J.W. Goethe-University, Institute for Ecology, Evolution & Diversity. Siesmayerstr. 70, 60054. Frankfurt am Main, Germany * Corresponding author. E-mail: [email protected] 4 Biodiversity and Climate Research Institute (BiK-F), Senckenberganlage 25, 60325. Frankfurt am Main, Germany. Abstract: The Arly National Park of southeastern Burkina Faso is in the center of the WAP complex, the largest continuous unexplored until recently. The plant species composition is typical for sudanian savanna areas with a high share of grasses andsystem legumes of protected and similar areas toin otherWest Africa.protected Although areas wellof the known complex, for its the large neighbouring mammal populations, Pama reserve its andflora W has National largely Park.been Sahel reserve. The 490 species belong to 280 genera and 83 families. The most important life forms are phanerophytes and therophytes.It has more species in common with the classified forest of Kou in SW Burkina Faso than with the geographically closer Introduction vegetation than the surrounding areas, where agriculture For Burkina Faso, only very few comprehensive has encroached on savannas and forests and tall perennial e.g., grasses almost disappeared, so that its borders are even Guinko and Thiombiano 2005; Ouoba et al. -
IN Lake KARIBA ~As Development Ad Ndon)
• View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Aquatic Commons THE A leA JOU L OF (Afr. J Trop. Hydrobiol. Fish) Yo. 1 1994 ASPECTS OF THE BIOLOGY OF THE lAKE TANGANYIKA SARDINE, LIMNOTHRISSA n illustrated key to the flinji. (Mimeographed MIODON (BOULENGER), IN lAKE KARIBA ~as Development Ad ndon). R. HUDDART ision des Synodontis Kariba Research Unit, Private Bag 24 CX, CHOMA, Zambia. e Royal de I'Afrique 'en, Belgium. 500p. Present address:- ~). The ecology of the 4, Ingleside Grove, LONDON, S.B.3., U.K. is (Pisces; Siluoidea) Nigeria. (Unpublished ABSTRACT o the University of Juveniles of U11lnothrissa 11liodon (Boulenger) were introduced into the man-made Lake Kariba in ngland). 1967-1968. Thirty months of night-fishing for this species from Sinazongwe, near the centre of the Kariba North bank. from 1971 to 1974 are described. Biological studies were carried out on samples of the catch during most of these months. Limnological studies were carried out over a period of four months in 1973. Li11lnothrissa is breeding successfully and its number have greatly increased. [t has reached an equilibrium level of population size at a [ower density than that of Lake Tanganyika sardines, but nevertheless is an important factor in the ecology of Lake Kariba. The growth rate, size at maturity and maximum size are all less than those of Lake Tanganyika Li11lnothrissa. A marked disruption in the orderly progression of length frequency modes occurs in September, for which the present body of evidence cannot supply an explanation. INTRODUCTION light-attracted sardines in Lake Kariba were The absence of a specialised, plankti tested in 1970 and early 1971. -
List of References for Avian Distributional Database
List of references for avian distributional database Aastrup,P. and Boertmann,D. (2009.) Biologiske beskyttelsesområder i nationalparkområdet, Nord- og Østgrønland. Faglig rapport fra DMU. Aarhus Universitet. Danmarks Miljøundersøgelser. Pp. 1-92. Accordi,I.A. and Barcellos,A. (2006). Composição da avifauna em oito áreas úmidas da Bacia Hidrográfica do Lago Guaíba, Rio Grande do Sul. Revista Brasileira de Ornitologia. 14:(2): 101-115. Accordi,I.A. (2002). New records of the Sickle-winged Nightjar, Eleothreptus anomalus (Caprimulgidae), from a Rio Grande do Sul, Brazil wetland. Ararajuba. 10:(2): 227-230. Acosta,J.C. and Murúa,F. (2001). Inventario de la avifauna del parque natural Ischigualasto, San Juan, Argentina. Nótulas Faunísticas. 3: 1-4. Adams,M.P., Cooper,J.H., and Collar,N.J. (2003). Extinct and endangered ('E&E') birds: a proposed list for collection catalogues. Bulletin of the British Ornithologists' Club. 123A: 338-354. Agnolin,F.L. (2009). Sobre en complejo Aratinga mitrata (Psittaciformes: Psittacidae) en el noroeste Argentino. Comentarios sistemáticos. Nótulas Faunísticas - Segunda Serie. 31: 1-5. Ahlström,P. and Mild,K. (2003.) Pipits & wagtails of Europe, Asia and North America. Identification and systematics. Christopher Helm. London, UK. Pp. 1-496. Akinpelu,A.I. (1994). Breeding seasons of three estrildid species in Ife-Ife, Nigeria. Malimbus. 16:(2): 94-99. Akinpelu,A.I. (1994). Moult and weight cycles in two species of Lonchura in Ife-Ife, Nigeria. Malimbus . 16:(2): 88-93. Aleixo,A. (1997). Composition of mixed-species bird flocks and abundance of flocking species in a semideciduous forest of southeastern Brazil. Ararajuba. 5:(1): 11-18. -
Uganda Highlights
UGANDA HIGHLIGHTS JANUARY 11–30, 2020 “Mukiza” the Silverback, Bwindi Impenetrable Forest, January 2020 ( Kevin J. Zimmer) LEADERS: KEVIN ZIMMER & HERBERT BYARUHANGA LIST COMPILED BY: KEVIN ZIMMER VICTOR EMANUEL NATURE TOURS, INC. 2525 WALLINGWOOD DRIVE, SUITE 1003 AUSTIN, TEXAS 78746 WWW.VENTBIRD.COM UGANDA HIGHLIGHTS January 11–30, 2020 By Kevin Zimmer Shoebill, Mabamba wetlands, January 2020 ( Kevin J. Zimmer) This was the second January departure of our increasingly popular Uganda Highlights Tour, and it proved an unqualified success in delivering up-close-and-personal observations of wild Mountain Gorillas, wild Chimpanzees, and the bizarre Shoebill. Beyond these iconic creatures, we racked up over 430 species of birds and had fabulous encounters with Lion, Hippopotamus, African Elephant, Rothschild’s Giraffe, and an amazing total of 10 species of primates. The “Pearl of Africa” lived up to its advance billing as a premier destination for birding and primate viewing in every way, and although the bird-species composition and levels of song/breeding activity in this (normally) dry season are somewhat different from those encountered during our June visits, the overall species diversity of both birds and mammals encountered has proven remarkably similar. After a day at the Boma Hotel in Entebbe to recover from the international flights, we hit the ground running, with a next-morning excursion to the fabulous Mabamba wetlands. Victor Emanuel Nature Tours 2 Uganda Highlights, January 2020 Opportunistic roadside stops en route yielded such prizes as Great Blue Turaco, Lizard Buzzard, and Black-and-white-casqued Hornbill, but as we were approaching the wetlands, the dark cloud mass that had been threatening rain for the past hour finally delivered. -
Environment for Development: an Ecosystems Assessment of Lake Victoria Basin Environmental and Socio-Economic Status, Trends and Human Vulnerabilities
Environment for Development: An Ecosystems Assessment of Lake Victoria Basin Environmental and Socio-Economic Status, Trends and Human Vulnerabilities Editors: Eric O. Odada Daniel O. Olago Washington O. Ochola PAN-AFRICAN SECRETARIAT Environment for Development: An Ecosystems Assessment of Lake Victoria Basin Environmental and Socio-economic Status, Trends and Human Vulnerabilities Editors Eric O. Odada Daniel O. Olago Washington O. Ochola Copyright 2006 UNEP/PASS ISBN ######### Job No: This publication may be produced in whole or part and in any form for educational or non-profit purposes without special permission from the copyright holder, provided acknowledgement of the source is made. UNEP and authors would appreciate receiving a copy of any publication that uses this report as a source. No use of this publication may be made for resale or for any other commercial purpose whatsoever without prior permission in writing of the United Nations Environmental Programme. Citation: Odada, E.O., Olago, D.O. and Ochola, W., Eds., 2006. Environment for Development: An Ecosystems Assessment of Lake Victoria Basin, UNEP/PASS Pan African START Secretariat (PASS), Department of Geology, University of Nairobi, P.O. Box 30197, Nairobi, Kenya Tel/Fax: +254 20 44477 40 E-mail: [email protected] http://pass.uonbi.ac.ke United Nations Environment Programme (UNEP). P.O. Box 50552, Nairobi 00100, Kenya Tel: +254 2 623785 Fax: + 254 2 624309 Published by UNEP and PASS Cover photograph © S.O. Wandiga Designed by: Development and Communication Support Printed by: Development and Communication Support Disclaimers The contents of this volume do not necessarily reflect the views or policies of UNEP and PASS or contributory organizations. -
Nupe Plants and Trees Their Names And
NUPE PLANTS AND TREES THEIR NAMES AND USES [DRAFT -PREPARED FOR COMMENT ONLY] Roger Blench Mallam Dendo 8, Guest Road Cambridge CB1 2AL United Kingdom Voice/ Fax. 0044-(0)1223-560687 Mobile worldwide (00-44)-(0)7967-696804 E-mail [email protected] http://www.rogerblench.info/RBOP.htm This printout: January 10, 2008 Roger Blench Nupe plant names – Nupe-Latin Circulation version TABLE OF CONTENTS TABLE OF CONTENTS................................................................................................................................ 1 TABLES........................................................................................................................................................... 1 1. INTRODUCTION....................................................................................................................................... 1 2. THE NUPE PEOPLE AND THEIR ENVIRONMENT .......................................................................... 2 2.1 Nupe society ........................................................................................................................................... 2 2.2 The environment of Nupeland ............................................................................................................. 3 3. THE NUPE LANGUAGE .......................................................................................................................... 4 3.1 General ..................................................................................................................................................