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Preliminary Analysis of Correlated Evolution of Morphology and Ecological Diversification in Lacertid Lizards
Butll. Soc. Cat. Herp., 19 (2011) Preliminary analysis of correlated evolution of morphology and ecological diversification in lacertid lizards Fèlix Amat Orriols Àrea d'Herpetologia, Museu de Granollers-Ciències Naturals. Francesc Macià 51. 08402 Granollers. Catalonia. Spain. [email protected] Resum S'ha investigat la diversitat morfològica en 129 espècies de lacèrtids i la seva relació amb l'ecologia, per mitjà de mètodes comparatius, utilitzant set variables morfomètriques. La mida corporal és la variable més important, determinant un gradient entre espècies de petita i gran mida independentment evolucionades al llarg de la filogènia dels lacèrtids. Aquesta variable està forta i positivament correlacionada amb les altres, emmascarant els patrons de diversitat morfològica. Anàlisis multivariants en les variables ajustades a la mida corporal mostren una covariació negativa entre les mides relatives de la cua i les extremitats. Remarcablement, les espècies arborícoles i semiarborícoles (Takydromus i el clade africà equatorial) han aparegut dues vegades independentment durant l'evolució dels lacèrtids i es caracteritzen per cues extremadament llargues i extremitats anteriors relativament llargues en comparació a les posteriors. El llangardaix arborícola i planador Holaspis, amb la seva cua curta, constitueix l’única excepció. Un altre cas de convergència ha estat trobat en algunes espècies que es mouen dins de vegetació densa o herba (Tropidosaura, Lacerta agilis, Takydromus amurensis o Zootoca) que presenten cues llargues i extremitats curtes. Al contrari, les especies que viuen en deserts, estepes o matollars amb escassa vegetació aïllada dins grans espais oberts han desenvolupat extremitats posteriors llargues i anteriors curtes per tal d'assolir elevades velocitats i maniobrabilitat. Aquest és el cas especialment de Acanthodactylus i Eremias Abstract Morphologic diversity was studied in 129 species of lacertid lizards and their relationship with ecology by means of comparative analysis on seven linear morphometric measurements. -
The First Miocene Fossils of Lacerta Cf. Trilineata (Squamata, Lacertidae) with A
bioRxiv preprint doi: https://doi.org/10.1101/612572; this version posted April 17, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY 4.0 International license. The first Miocene fossils of Lacerta cf. trilineata (Squamata, Lacertidae) with a comparative study of the main cranial osteological differences in green lizards and their relatives Andrej Čerňanský1,* and Elena V. Syromyatnikova2, 3 1Department of Ecology, Laboratory of Evolutionary Biology, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina, 84215, Bratislava, Slovakia 2Borissiak Paleontological Institute, Russian Academy of Sciences, Profsoyuznaya 123, 117997 Moscow, Russia 3Zoological Institute, Russian Academy of Sciences, Universitetskaya nab., 1, St. Petersburg, 199034 Russia * Email: [email protected] Running Head: Green lizard from the Miocene of Russia Abstract We here describe the first fossil remains of a green lizardof the Lacerta group from the late Miocene (MN 13) of the Solnechnodolsk locality in southern European Russia. This region of Europe is crucial for our understanding of the paleobiogeography and evolution of these middle-sized lizards. Although this clade has a broad geographical distribution across the continent today, its presence in the fossil record has only rarely been reported. In contrast to that, the material described here is abundant, consists of a premaxilla, maxillae, frontals, bioRxiv preprint doi: https://doi.org/10.1101/612572; this version posted April 17, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. -
Freshwater Fishes
WESTERN CAPE PROVINCE state oF BIODIVERSITY 2007 TABLE OF CONTENTS Chapter 1 Introduction 2 Chapter 2 Methods 17 Chapter 3 Freshwater fishes 18 Chapter 4 Amphibians 36 Chapter 5 Reptiles 55 Chapter 6 Mammals 75 Chapter 7 Avifauna 89 Chapter 8 Flora & Vegetation 112 Chapter 9 Land and Protected Areas 139 Chapter 10 Status of River Health 159 Cover page photographs by Andrew Turner (CapeNature), Roger Bills (SAIAB) & Wicus Leeuwner. ISBN 978-0-620-39289-1 SCIENTIFIC SERVICES 2 Western Cape Province State of Biodiversity 2007 CHAPTER 1 INTRODUCTION Andrew Turner [email protected] 1 “We live at a historic moment, a time in which the world’s biological diversity is being rapidly destroyed. The present geological period has more species than any other, yet the current rate of extinction of species is greater now than at any time in the past. Ecosystems and communities are being degraded and destroyed, and species are being driven to extinction. The species that persist are losing genetic variation as the number of individuals in populations shrinks, unique populations and subspecies are destroyed, and remaining populations become increasingly isolated from one another. The cause of this loss of biological diversity at all levels is the range of human activity that alters and destroys natural habitats to suit human needs.” (Primack, 2002). CapeNature launched its State of Biodiversity Programme (SoBP) to assess and monitor the state of biodiversity in the Western Cape in 1999. This programme delivered its first report in 2002 and these reports are updated every five years. The current report (2007) reports on the changes to the state of vertebrate biodiversity and land under conservation usage. -
Aspects of the Ecology and Conservation of Frogs in Urban Habitats of South Africa
Frogs about town: Aspects of the ecology and conservation of frogs in urban habitats of South Africa DJD Kruger 20428405 Thesis submitted for the degree Philosophiae Doctor in Zoology at the Potchefstroom Campus of the North-West University Supervisor: Prof LH du Preez Co-supervisor: Prof C Weldon September 2014 i In loving memory of my grandmother, Kitty Lombaard (1934/07/09 – 2012/05/18), who has made an invaluable difference in all aspects of my life. ii Acknowledgements A project with a time scale and magnitude this large leaves one indebted by numerous people that contributed to the end result of this study. I would like to thank the following people for their invaluable contributions over the past three years, in no particular order: To my supervisor, Prof. Louis du Preez I am indebted, not only for the help, guidance and support he has provided throughout this study, but also for his mentorship and example he set in all aspects of life. I also appreciate the help of my co-supervisor, Prof. Ché Weldon, for the numerous contributions, constructive comments and hours spent on proofreading. I owe thanks to all contributors for proofreading and language editing and thereby correcting my “boerseun” English grammar but also providing me with professional guidance. Prof. Louis du Preez, Prof. Ché Weldon, Dr. Andrew Hamer, Dr. Kirsten Parris, Prof. John Malone and Dr. Jeanne Tarrant are all dearly thanked for invaluable comments on earlier drafts of parts/the entirety of this thesis. For statistical contributions I am especially also grateful to Dr. Andrew Hamer for help with Bayesian analysis and to the North-West Statistical Services consultant, Dr. -
Patterns of Plant Diversity and Endemism in Namibia
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Stellenbosch University SUNScholar Repository Bothalia 36,2: 175-189(2006) Patterns of plant diversity and endemism in Namibia P. CRAVEN* and P VORSTER** Keywords: Namibia, phytogeography, plant endemism ABSTRACT Species richness, endemism and areas that are rich in both species and endemic species were assessed and mapped for Namibia. High species diversity corresponds with zones where species overlap. These are particularly obvious where there are altitudinal variations and in high-lying areas. The endemic flora o f Namibia is rich and diverse. An estimated 16% of the total plant species in Namibia are endemic to the country. Endemics are in a wide variety o f families and sixteen genera are endemic. Factors that increase the likelihood o f endemism are mountains, hot deserts, diversity o f substrates and microclimates. The distribution of plants endemic to Namibia was arranged in three different ways. Firstly, based on a grid count with the phytogeographic value of the species being equal, overall endemism was mapped. Secondly, range restricted plant species were mapped individually and those with congruent distribution patterns were combined. Thirdly, localities that are important for very range-restricted species were identified. The resulting maps of endemism and diversity were compared and found to correspond in many localities. When overall endemism is compared with overall diversity, rich localities may consist o f endemic species with wide ranges. The other methods identify important localities with their own distinctive complement of species. INTRODUCTION (1994). It was based on distributional data per magiste rial district following Merxmiiller (1966-1972), as well Species diversity was traditionally measured by count as other literature. -
A Fine-Scale Conservation Plan for Cape Lowlands Renosterveld: Technical Report
A Fine-Scale Conservation Plan for Cape Lowlands Renosterveld: Technical Report MAIN REPORT September 2003 Amrei von Hase Mathieu Rouget Kristal Maze Nick Helme Report No. CCU 2/03 Cape Conservation Unit Botanical Society of South Africa Pvt Bag X 10 7735 Claremont www.botanicalsociety.org.za/ccu Key Partners and Sponsors of the Cape Lowlands Renosterveld Project TABLE MOUNTAIN FUND 2 Acknowledgements Many individuals and organizations have contributed generously to the Cape Lowlands Renosterveld Project to whom the Botanical Society and the project team are greatly indebted. We express our appreciation to you in this section and in addition have provided acknowledgement to others in sections of this report where their contribution was relevant. We are particularly indebted to our key project partners, the Western Cape Nature Conservation Board (WCNCB), for putting their full support behind the project from its inception as well as their many contributions to the project. In Scientific Services we especially thank the late Chris Burgers, Helen de Klerk, Ernst Baard, Annelise le Roux, Guy Palmer and Andrew Turner for their guidance in the project planning and initiation stages, particularly on data and GIS matters. We are tremendously grateful to Chris who generously and infectiously shared with us his wealth of knowledge about the lowlands. In Operations we express our appreciation to the business unit managers, extension officers and regional ecologists who played a vital role particularly in shaping the final products of the project. We are especially grateful to Anton Wolfaardt and Chris Martens. Wendy Paisley of the Cape Conservation Unit (CCU) of the Botanical Society provided invaluable administrative and organizational support to the project. -
Sand Mine Near Robertson, Western Cape Province
SAND MINE NEAR ROBERTSON, WESTERN CAPE PROVINCE BOTANICAL STUDY AND ASSESSMENT Version: 1.0 Date: 06 April 2020 Authors: Gerhard Botha & Dr. Jan -Hendrik Keet PROPOSED EXPANSION OF THE SAND MINE AREA ON PORTION4 OF THE FARM ZANDBERG FONTEIN 97, SOUTH OF ROBERTSON, WESTERN CAPE PROVINCE Report Title: Botanical Study and Assessment Authors: Mr. Gerhard Botha and Dr. Jan-Hendrik Keet Project Name: Proposed expansion of the sand mine area on Portion 4 of the far Zandberg Fontein 97 south of Robertson, Western Cape Province Status of report: Version 1.0 Date: 6th April 2020 Prepared for: Greenmined Environmental Postnet Suite 62, Private Bag X15 Somerset West 7129 Cell: 082 734 5113 Email: [email protected] Prepared by Nkurenkuru Ecology and Biodiversity 3 Jock Meiring Street Park West Bloemfontein 9301 Cell: 083 412 1705 Email: gabotha11@gmail com Suggested report citation Nkurenkuru Ecology and Biodiversity, 2020. Section 102 Application (Expansion of mining footprint) and Final Basic Assessment & Environmental Management Plan for the proposed expansion of the sand mine on Portion 4 of the Farm Zandberg Fontein 97, Western Cape Province. Botanical Study and Assessment Report. Unpublished report prepared by Nkurenkuru Ecology and Biodiversity for GreenMined Environmental. Version 1.0, 6 April 2020. Proposed expansion of the zandberg sand mine April 2020 botanical STUDY AND ASSESSMENT I. DECLARATION OF CONSULTANTS INDEPENDENCE » act/ed as the independent specialist in this application; » regard the information contained in this -
How Succulent Leaves of Aizoaceae Avoid Mesophyll Conductance Limitations of Photosynthesis and Survive Drought
Journal of Experimental Botany, Vol. 64, No. 18, pp. 5485–5496, 2013 doi:10.1093/jxb/ert314 Advance Access publication 14 October, 2013 This paper is available online free of all access charges (see http://jxb.oxfordjournals.org/open_access.html for further details) RESEArCH PAPEr How succulent leaves of Aizoaceae avoid mesophyll conductance limitations of photosynthesis and survive drought Brad S. Ripley1,*, Trevor Abraham1, Cornelia Klak2 and Michael D. Cramer3 1 Department of Botany, Rhodes University, 6140 Grahamstown, South Africa 2 Bolus Herbarium, Department of Biological Sciences, University of Cape Town, 7701 Rondebosch, South Africa 3 Department of Biological Sciences, University of Cape Town, 7701 Rondebosch, South Africa * To whom correspondence should be addressed. E-mail: [email protected] Received 23 May 2013; Revised 30 July 2013; Accepted 22 August 2013 Abstract In several taxa, increasing leaf succulence has been associated with decreasing mesophyll conductance (gM) and an increasing dependence on Crassulacean acid metabolism (CAM). However, in succulent Aizoaceae, the photosyn- thetic tissues are adjacent to the leaf surfaces with an internal achlorophyllous hydrenchyma. It was hypothesized that this arrangement increases gM, obviating a strong dependence on CAM, while the hydrenchyma stores water and nutrients, both of which would only be sporadically available in highly episodic environments. These predictions were tested with species from the Aizoaceae with a 5-fold variation in leaf succulence. It was shown that gM values, derived from the response of photosynthesis to intercellular CO2 concentration (A:Ci), were independent of succulence, and 13 that foliar photosynthate δ C values were typical of C3, but not CAM photosynthesis. -
Dispersal of Semi-Fleshy Fruits to Rock Crevices by a Rock-Restricted Rodent
Research Letter Page 1 of 5 Dispersal of semi-fleshy fruits to rock crevices by a AUTHORS: rock-restricted rodent Joseph D.M. White1 Jeremy J. Midgley1 Seed dispersal allows successive generations of plants to be mobile in space and time. Heeria argentea’s AFFILIATION: unusual fruit and its ubiquity in extremely rocky habitats, suggests that this tree requires a specialist 1 Department of Biological disperser. We therefore investigated the dispersal ecology of H. argentea and Hartogiella schinoides. Sciences, University of Cape Town, Cape Town, We found M. namaquensis rapidly removed H. argentea and H. schinoides fruits, moving them short South Africa distances within and between rock outcrops, and consumed only the pericarps. Birds were observed consuming H. schinoides, but not H. argentea fruits, suggesting M. namaquensis is its sole, specialist CORRESPONDENCE TO: disperser. Most H. argentea seeds (65%) with removed pericarps germinated successfully, while intact Joseph White fruits did not. We show rock outcrops represent fire refugia, allowing H. argentea trees to grow to large sizes, with small stems and a co-occurring, wind-dispersed tree, Widdringtonia nodiflora found away EMAIL: [email protected] from these sites. This rodent–tree mutualism is perhaps the clearest global example of directed dispersal and shows that these endemic trees are highly adapted for survival in the southwestern Cape habitat and DATES: are not tropical relicts. Received: 16 May 2017 Revised: 11 Sep. 2017 Significance: Accepted: 12 Oct. 2017 • The fruits of rock-restricted Cape trees are directly dispersed by rock rats to rock outcrops. This is the first description of rodent dispersal of fleshy fruits in South Africa. -
Annotated Checklist and Provisional Conservation Status of Namibian Reptiles
Annotated Checklist - Reptiles Page 1 ANNOTATED CHECKLIST AND PROVISIONAL CONSERVATION STATUS OF NAMIBIAN REPTILES MICHAEL GRIFFIN BIODIVERSITY INVENTORY MINISTRY OF ENVIRONMENT AND TOURISM PRIVATE BAG 13306 WINDHOEK NAMIBIA Annotated Checklist - Reptiles Page 2 Annotated Checklist - Reptiles Page 3 CONTENTS PAGE ABSTRACT 5 INTRODUCTION 5 METHODS AND DEFINITIONS 6 SPECIES ACCOUNTS Genus Crocodylus Nile Crocodile 11 Pelomedusa Helmeted Terrapin 11 Pelusios Hinged Terrapins 12 Geochelone Leopard Tortoise 13 Chersina Bowsprit Tortoise 14 Homopus Nama Padloper 14 Psammobates Tent Tortoises 15 Kinixys Hinged Tortoises 16 Chelonia GreenTurtle 16 Lepidochelys Olive Ridley Turtle 17 Dermochelys Leatherback Turtle 17 Trionyx African Soft-shelled Turtle 18 Afroedura Flat Geckos 19 Goggia Dwarf Leaf-toed Geckos 20 Afrogecko Marbled Leaf-toed Gecko 21 Phelsuma Namaqua Day Gecko 22 Lygodactylus Dwarf Geckos 23 Rhoptropus Namib Day Geckos 25 Chondrodactylus Giant Ground Gecko 27 Colopus Kalahari Ground Gecko 28 Palmatogecko Web-footed Geckos 28 Pachydactylus Thick-toed Geckos 29 Ptenopus Barking Geckos 39 Narudasia Festive Gecko 41 Hemidactylus Tropical House Geckos 41 Agama Ground Agamas 42 Acanthocercus Tree Agama 45 Bradypodion Dwarf Chameleons 46 Chamaeleo Chameleons 47 Acontias Legless Skinks 48 Typhlosaurus Blind Legless Skinks 48 Sepsina Burrowing Skinks 50 Scelotes Namibian Dwarf Burrowing Skink 51 Typhlacontias Western Burrowing Skinks 51 Lygosoma Sundevall’s Writhing Skink 53 Mabuya Typical Skinks 53 Panaspis Snake-eyed Skinks 60 Annotated -
Chapter 15 the Mammals of Angola
Chapter 15 The Mammals of Angola Pedro Beja, Pedro Vaz Pinto, Luís Veríssimo, Elena Bersacola, Ezequiel Fabiano, Jorge M. Palmeirim, Ara Monadjem, Pedro Monterroso, Magdalena S. Svensson, and Peter John Taylor Abstract Scientific investigations on the mammals of Angola started over 150 years ago, but information remains scarce and scattered, with only one recent published account. Here we provide a synthesis of the mammals of Angola based on a thorough survey of primary and grey literature, as well as recent unpublished records. We present a short history of mammal research, and provide brief information on each species known to occur in the country. Particular attention is given to endemic and near endemic species. We also provide a zoogeographic outline and information on the conservation of Angolan mammals. We found confirmed records for 291 native species, most of which from the orders Rodentia (85), Chiroptera (73), Carnivora (39), and Cetartiodactyla (33). There is a large number of endemic and near endemic species, most of which are rodents or bats. The large diversity of species is favoured by the wide P. Beja (*) CIBIO-InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Vairão, Portugal CEABN-InBio, Centro de Ecologia Aplicada “Professor Baeta Neves”, Instituto Superior de Agronomia, Universidade de Lisboa, Lisboa, Portugal e-mail: [email protected] P. Vaz Pinto Fundação Kissama, Luanda, Angola CIBIO-InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus de Vairão, Vairão, Portugal e-mail: [email protected] L. Veríssimo Fundação Kissama, Luanda, Angola e-mail: [email protected] E. -
Note on the Smaller Mammals of the Hester Malan Nature Reserve, Springbok, Namaqualand
Note on the smaller mammals of the Hester Malan Nature Reserve, Springbok, Namaqualand R.C. Dieckmann A survey of the smaller mammals of the Hester Malan Comparatively little information is available on the small Nature Reserve resulted in a checklist as well as mammals of Namaqualand, the most arid region of the information on the habitat in which the mammals Cape Province. The most comprehensive survey so far occurred. Of the 38 species listed, 31 were collected or undertaken was that of Shortridge (1942) at the end of seen in the Reserve and seven on the neighbouring 1936 and beginning of 1937. In addition, Davis (1974) gives farms and surrounding district. the distribution of some insectivores and rodents of the S. Afr. J. Zoot. 14: 85-89 (1979) region. The present paper lists the findings of a survey 'n Opname is gemaak van die kleiner soogdlere wat in conducted in the Hester Malan Nature Reserve, with the die Hester Malan Natuurreservaat aangetref word en het aim of drawing up a checklist of the small mammals found . there. ) gelei tot die saamstel van 'n spesielys. Inligting oor die 0 1 habitat van die soogdiere is ook verkry. Van die 38 0 spesies in die Iys genoteer, word 'n totaal van 31 in die Physiography 2 d Reservaat aangetref. Hierbenewens is 'n verdere sewe The Hester Malan Nature Reserve is located some 15 km e 0 0 t spesies op naburige plase en omliggende distrik east of Springbok (29 34' S, 17 57' E). It lies in the a d waargeneem. Namaqualand Broken veld and covers an area of about ( r S.-Afr.