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The Conservation Biology of Tortoises
The Conservation Biology of Tortoises Edited by Ian R. Swingland and Michael W. Klemens IUCN/SSC Tortoise and Freshwater Turtle Specialist Group and The Durrell Institute of Conservation and Ecology Occasional Papers of the IUCN Species Survival Commission (SSC) No. 5 IUCN—The World Conservation Union IUCN Species Survival Commission Role of the SSC 3. To cooperate with the World Conservation Monitoring Centre (WCMC) The Species Survival Commission (SSC) is IUCN's primary source of the in developing and evaluating a data base on the status of and trade in wild scientific and technical information required for the maintenance of biological flora and fauna, and to provide policy guidance to WCMC. diversity through the conservation of endangered and vulnerable species of 4. To provide advice, information, and expertise to the Secretariat of the fauna and flora, whilst recommending and promoting measures for their con- Convention on International Trade in Endangered Species of Wild Fauna servation, and for the management of other species of conservation concern. and Flora (CITES) and other international agreements affecting conser- Its objective is to mobilize action to prevent the extinction of species, sub- vation of species or biological diversity. species, and discrete populations of fauna and flora, thereby not only maintain- 5. To carry out specific tasks on behalf of the Union, including: ing biological diversity but improving the status of endangered and vulnerable species. • coordination of a programme of activities for the conservation of biological diversity within the framework of the IUCN Conserva- tion Programme. Objectives of the SSC • promotion of the maintenance of biological diversity by monitor- 1. -
Can Unwanted Suburban Tortoises Rescue Native Hawaiian Plants?
CAN UNWANTED SUBURBAN TORTOISES RESCUE NATIVE HAWAIIAN PLANTS? by David A. Burney, James O. Juvik, Lida Pigott Burney, and Tomas Diagne 104 THE TORTOISE ・ 2012 hrough a series of coincidences, surplus pet tortoises in Hawaii may end up offering a partial solution to the seemingly insurmountable challenge posed by invasive plants in the Makauwahi Cave Reserve Ton Kaua`i. This has come about through a serendipitous intersection of events in Africa, the Mascarene Islands, North America, and Hawaii. The remote Hawaiian Islands were beyond the reach of naturally dispersing island tortoises, but the niches were apparently still there. Giant flightless ducks and geese evolved on these islands with tortoise-like beaks and other adaptations as terrestrial “meso-herbivores.” Dating of these remarkable fossil remains shows that they went extinct soon after the arrival of Polynesians at the beginning of the last millennium leaving the niches for large native herbivores entirely empty. Other native birds, including important plant pollinators, and some plant species have also suffered extinction in recent centuries. This trend accelerated after European settlement ecosystem services and a complex mix of often with the introduction of many invasive alien plants conflicting stakeholder interests clearly requires and the establishment of feral ungulate populations new paradigms and new tools. such as sheep, goats, cattle, and European swine, as Lacking any native mammalian herbivores, the well as other insidious invasives such as deer, rats, majority of the over 1,000 native Hawaiian plant mongoose, feral house cats, and even mosquitoes, species on the islands have been widely regarded which transmit avian malaria to a poorly resistant in the literature as singularly lacking in defensive native avifauna. -
(Geochelone Pardalis) on Farmland in the Nama-Karoo
THE STATUS AND ECOLOGY OF THE LEOPARD TORTOISE (GEOCHELONE PARDALIS) ON FARMLAND IN THE NAMA-KAROO MEGAN KAY McMASTER Submitted in fulfilment ofthe academic requirements for the degree of MASTER OF SCIENCE School ofBotany and Zoology University ofNatal Pieterrnaritzburg March 2001 Preface The experimental work described in this dissertation was carried out in the School of Botany and Zoology, University ofNatal, Pietermaritzburg, from November 1997 to March 2001, under the supervision ofDr. Colleen T. Downs. This study is the original work ofthe author and has not been submitted in any form for any diploma or degree to another university. Where use has been made ofthe work of others, it is duly acknowledged in the text. Each chapter is written in the format ofthe journal it has been submitted to. ..fj~K'. Megan Kay McMaster Pietermaritzburg March 2001 11 This thesis is dedicated to myfather, the late Eric Ralph McMaster, for his constant encouragement and beliefin me, and to my brother, the late Gregory CIifton McMaster,for always making me smile. III Abstract The Family Testudinidae (Suborder Cryptodira) is represented by 40 species worldwide and reaches its greatest diversity in southern Africa, where 14 species occur (33%), ten of which are endemic to the subcontinent. Despite the strong representation ofterrestrial tortoise species in southern Africa, and the importance ofthe Karoo as a centre of endemism ofthese tortoise species, there is a paucity ofecological information for most tortoise species in South Africa. With chelonians being protected in < 15% ofall southern African reserves it is necessary to find out more about the ecological requirements, status, population dynamics and threats faced by South African tortoise species to enable the formulation ofeffective conservation measures. -
Leopard Tortoise Stigmochelys Pardalis
Leopard Tortoise Stigmochelys pardalis Class: Sauropsida Order: Chelonia Family: Testudinidae Characteristics: The leopard tortoise is the fourth largest tortoise species in the world. They get their name from their color pattern on the elevated carapace, or shell. The rings of yellow, tan, and brown resemble leopard spots. These tortoises can reach up to two feet in length and weigh up to 80 pounds (National Zoo). Tortoises lack ears, but can sense vibrations from the surrounding environment. They also lack teeth, but have a sharp beak for tearing into foods. These tortoises are well adapted to hot, arid areas (Maryland Zoo). Range & Habitat: Leopard tortoises are found in Behavior: sub-Saharan Africa, from Sudan Leopard tortoises are considered crepuscular. They try to seek shade and south to the Cape Province of avoid activity during the hottest parts of the day in the savannah sun. They South Africa. They are often found spend most of their time grazing on grasses (Maryland Zoo). If threatened, in savannah grasslands (Reptile a leopard tortoise has been known to poop on its predator. Males compete Database). for females during mating season by pushing each other until one is flipped upside down (National Zoo). Reproduction: Females will dig a nest about one foot deep and will lay up to 30 eggs in the nest. The eggs will hatch about 18 months after they are laid. Neither the male nor female are involved in parenting the offspring. Diet: Wild: grasses and succulents (prickly pear cactus) Zoo: mixed greens, sweet potato, apple, carrot, tomato, oranges, clovite, Lifespan: over 100 years in hay, tortoise pellet. -
Leopard Tortoise Care
RVC Exotics Service Royal Veterinary College Royal College Street London NW1 0TU T: 0207 554 3528 F: 0207 388 8124 www.rvc.ac.uk/BSAH LEOPARD TORTOISE CARE Leopard tortoises are large tortoises, originating from the grasslands of sub-Saharan Africa. It is essential not to underestimate the space and resources needed to look after these tortoises which will grow very large. It is important to note that these tortoises do not hibernate. HOUSING • Tortoises make poor vivarium subjects. Ideally a floor pen or tortoise table should be created. This needs to have solid sides (1 foot high) for most tortoises. Many are made out of wood or plastic. As large an area as possible should be provided, but as the size increases extra basking sites will need to be provided. For a small juvenile at least 90 cm (3 feet) long x 30 cm (1 foot) wide is recommended. This is required to enable a thermal gradient to be created along the length of the tank (hot to cold). • Hides are required to provide some security. Artificial plants, cardboard boxes, plant pots, logs or commercially available hides can be used. They should be placed both at the warm and cooler ends of the tank. • Substrates suitable for housing tortoises include newspaper, Astroturf, and some of the commercially available substrates. Natural substrate such as soil may also be used to allow for digging. It is important that the substrates either cannot be eaten, or if they are, do not cause blockages as this can prove fatal. Wood chip based substrates should never be used for this reason. -
A Sulcata Here, a Sulcata There, a Sulcata Everywhere Text and Photography by Dave Friend, President, CTTC, Santa Barbara-Ventura Chapter
A Sulcata Tortoise (Geochelone sulcata) emerging from a burrow in its enclosure. of the African Spurred Tortoise (Geochelone sulcata) A Sulcata Here, A Sulcata There, A Sulcata Everywhere text and photography by Dave Friend, President, CTTC, Santa Barbara-Ventura Chapter n 1986 my wife and I fell in The breeder said to feed them pumpkin All the stucco along the side of the house love with the Sulcata Tor- and alfalfa. There was not a lot of diet infor- as far as they could ram was broken. The toise and decided to purchase mation available then. We did not have good male more than the female did the greater a pair. Yes, purchase. Twenty-three years luck with the breeder’s diet. They preferred damage. Our youngest son had the outside ago there were not many Sulcatas available. the Bermuda grass, rose petals and hibis- corner bedroom upstairs, every night after We found a “BREEDER” in Riverside, CA. cus flowers in the back yard. We gave them he would go to bed I could here him holler- Made the contact and brought the pair home other treats once in a while: apples, squash, ing at that %#@* turtle. The Sulcata would toI Ventura, CA. So began an adventure that and other vegetables. Pumpkin never was start ramming the side of the house. I would we still enjoy today. high on their list of treats! They also loved to go down and move him, put things in his We were told they were about seven years drink from a running hose laid on the lawn. -
Movement, Home Range and Habitat Use in Leopard Tortoises (Stigmochelys Pardalis) on Commercial
Movement, home range and habitat use in leopard tortoises (Stigmochelys pardalis) on commercial farmland in the semi-arid Karoo. Martyn Drabik-Hamshare Submitted in fulfilment of the academic requirements for the degree of Master of Science in the Discipline of Ecological Sciences School of Life Sciences College of Agriculture, Engineering and Science University of KwaZulu-Natal Pietermaritzburg Campus 2016 ii ABSTRACT Given the ever-increasing demand for resources due to an increasing human population, vast ranges of natural areas have undergone land use change, either due to urbanisation or production and exploitation of resources. In the semi-arid Karoo of southern Africa, natural lands have been converted to private commercial farmland, reducing habitat available for wildlife. Furthermore, conversion of land to energy production is increasing, with areas affected by the introduction of wind energy, solar energy, or hydraulic fracturing. Such widespread changes affects a wide range of animal and plant communities. Southern Africa hosts the highest diversity of tortoises (Family: Testudinidae), with up to 18 species present in sub-Saharan Africa, and 13 species within the borders of South Africa alone. Diversity culminates in the Karoo, whereby up to five species occur. Tortoises throughout the world are undergoing a crisis, with at least 80 % of the world’s species listed at ‘Vulnerable’ or above. Given the importance of many tortoise species to their environments and ecosystems— tortoises are important seed dispersers, whilst some species produce burrows used by numerous other taxa—comparatively little is known about certain aspects relating to their ecology: for example spatial ecology, habitat use and activity patterns. -
1 Billing Code: 3410-34-P Department Of
This document is scheduled to be published in the Federal Register on 06/10/2013 and available online at http://federalregister.gov/a/2013-13682, and on FDsys.gov BILLING CODE: 3410-34-P DEPARTMENT OF AGRICULTURE Animal and Plant Health Inspection Service [Docket No. APHIS-2013-0028] Notice of Request for Extension of Approval of an Information Collection; Interstate Movement of Certain Land Tortoises AGENCY: Animal and Plant Health Inspection Service, USDA. ACTION: Extension of approval of an information collection; comment request. SUMMARY: In accordance with the Paperwork Reduction Act of 1995, this notice announces the Animal and Plant Health Inspection Service's intention to request an extension of approval of an information collection associated with regulations for the interstate movement of certain land tortoises. DATES: We will consider all comments that we receive on or before [Insert date 60 days after date of publication in the Federal Register]. ADDRESSES: You may submit comments by either of the following methods: • Federal eRulemaking Portal: Go to http://www.regulations.gov/#!documentDetail;D=APHIS-2013-0028-0001. • Postal Mail/Commercial Delivery: Send your comment to Docket No. APHIS-2013- 0028, Regulatory Analysis and Development, PPD, APHIS, Station 3A-03.8, 4700 River Road Unit 118, Riverdale, MD 20737-1238. 1 Supporting documents and any comments we receive on this docket may be viewed at http://www.regulations.gov/#!docketDetail;D=APHIS-2013-0028 or in our reading room, which is located in room 1141 of the USDA South Building, 14th Street and Independence Avenue SW., Washington, DC. Normal reading room hours are 8 a.m. -
A Survey of the Potential Distribution of the Threatened Tortoise Centrochelys Sulcata Populations in Burkina Faso (West Africa)
Tropical Ecology 57(4): 709-716, 2016 ISSN 0564-3295 © International Society for Tropical Ecology www.tropecol.com A survey of the potential distribution of the threatened tortoise Centrochelys sulcata populations in Burkina Faso (West Africa) FABIO PETROZZI1,2, EMMANUEL M. HEMA3,4 , LUCA LUISELLI1,5*& WENDENGOUDI GUENDA3 1Niger Delta Ecology and Biodiversity Conservation Unit, Department of Applied and Environmental Biology, Rivers State University of Science and Technology, P.M.B. 5080 Nkpolu, Port Harcourt, Rivers State, Nigeria 2Ecologia Applicata Italia s.r.l., via Edoardo Jenner 70, Rome, Italy 3Université de Ouagadougou/CUPD, Laboratoire de Biologie et Ecologie Animales, 09 B.P. 848 Ouagadougou 09 - Burkina Faso 4Groupe des Expert en Gestion des Eléphants et de la Biodiversité de l’Afrique de l’Ouest (GEGEBAO) 5Institute for Development, Ecology, Conservation and Cooperation, via G. Tomasi di Lampedusa 33, I-00144 Rome, Italy Abstract: The African spurred tortoise (Centrochelys sulcata) is a threatened species, especially in West Africa, where it shows a scattered distribution. In Burkina Faso, the species distribution is unknown and we documented the current distribution and potential habitat characteristics. We found evidence of the species in a few sites in the northern and eastern part of the country, whereas some records from the southern part of Burkina Faso were considered unreliable. Multiple specimens were recorded only in four localities, mainly in the Sahel ecological zone. Annual rainfall was negatively related to the observed number of tortoises per site, and indeed these tortoises were found in the Sahel and adjacent ecoregions where rainfall is lower than other regions in Burkina Faso whereas latitude and numbers of tortoise individuals observed in each site were positively related. -
Federal Register/Vol. 66, No. 137/Tuesday, July 17, 2001/Rules
Federal Register / Vol. 66, No. 137 / Tuesday, July 17, 2001 / Rules and Regulations 37125 of this section, the scope of the by providing that only an accredited veterinarian and found free of ticks. reopened proceeding shall be limited to veterinarian may sign the certificate. This action was necessary to enable the a determination of the alien’s eligibility This action is necessary to enable the export, interstate commerce, health care, for suspension of deportation or export, interstate commerce, health care, and adoption of these types of tortoises cancellation of removal pursuant to and adoption of these types of tortoises while providing protection against the section 309(h)(1) of IIRIRA, as amended while providing protection against the spread of exotic ticks known to be by section 1505(c) of the LIFE Act spread of exotic ticks known to be vectors of heartwater disease. Amendments. vectors of heartwater disease. This We solicited comments on our second (3) If the Board has jurisdiction and action will also relieve an unnecessary interim rule for 60 days, ending grants only the motion to reopen filed burden on Federal veterinarians. September 19, 2000. We received two pursuant to paragraph (f) of this section, EFFECTIVE DATE: July 17, 2001. comments by that date. They were from a State department of agriculture and an it shall remand the case to the FOR FURTHER INFORMATION CONTACT: Dr. Immigration Court solely for D. D. Wilson, Senior Staff Entomologist, association. We discuss the comments adjudication of the application for Emergency Programs, VS, APHIS, 4700 we received on the second interim rule, as well as comments we received on the suspension of deportation or River Road Unit 41, Riverdale, MD first interim rule that were not cancellation of removal pursuant to 20737–1231; (301) 734–8073. -
Sulcata Or African Spurred Tortoise Husbandry & Diet Information
Care of the Sulcata or African Spurred Tortoise Husbandry & Diet Information Quick Facts about Geochelone sulcata Lifespan: average 50-80 years, up to 150 years Average weight: females 39 kg (85 lb); males up to 50 kg (110 lb) Shell length: Up to 0.8 m (2.5 ft) Natural History These “gentle giants” are found throughout the southern edge of the Sahara in Africa. Sulcata tortoises inhabit environments that include hot arid desert, scrublands, and savannah. These tortoises DO NOT hibernate. Reproduction Sulcata tortoises reach sexual maturity at approximately 5 years of age, when they reach 11-18 kg (25-40 lb). This species breeds very well in captivity. When breeding occurs, a female may lay up to 6 clutches a year and 15-20 egg clutches are deposited. Eggs should be kept in vermiculite at 30ºC (86ºF) at 70%-80% humidity, hatchlings arise after 85-100 days incubation. Enclosure We strongly advise ADULTS BE HOUSED OUTSIDE for their health and due to their sheer size. Outdoor housing: Outdoor enclosures provided during warm weather months should be protected from predators and heavily planted with small ornamental scrubs and trees. Enclosures should also include rocky hiding places as well as additional shade areas. The Sulcata tortoise is a “true-burrowing” species, so it is essential to secure their outdoor environment as this strong species can EASILY tunnel and escape enclosures. Secure fencing is vital. The temperature range at all times should be 27-29ºC (80-85ºF) in the daytime with a basking site at 32-35ºC (90-95ºF). At night, temperature should drop below approximately 24ºC (75ºF). -
TCF Summary Activity Report 2002–2018
Turtle Conservation Fund • Summary Activity Report 2002–2018 Turtle Conservation Fund A Partnership Coalition of Leading Turtle Conservation Organizations and Individuals Summary Activity Report 2002–2018 1 Turtle Conservation Fund • Summary Activity Report 2002–2018 Recommended Citation: Turtle Conservation Fund [Rhodin, A.G.J., Quinn, H.R., Goode, E.V., Hudson, R., Mittermeier, R.A., and van Dijk, P.P.]. 2019. Turtle Conservation Fund: A Partnership Coalition of Leading Turtle Conservation Organi- zations and Individuals—Summary Activity Report 2002–2018. Lunenburg, MA and Ojai, CA: Chelonian Research Foundation and Turtle Conservancy, 54 pp. Front Cover Photo: Radiated Tortoise, Astrochelys radiata, Cap Sainte Marie Special Reserve, southern Madagascar. Photo by Anders G.J. Rhodin. Back Cover Photo: Yangtze Giant Softshell Turtle, Rafetus swinhoei, Dong Mo Lake, Hanoi, Vietnam. Photo by Timothy E.M. McCormack. Printed by Inkspot Press, Bennington, VT 05201 USA. Hardcopy available from Chelonian Research Foundation, 564 Chittenden Dr., Arlington, VT 05250 USA. Downloadable pdf copy available at www.turtleconservationfund.org 2 Turtle Conservation Fund • Summary Activity Report 2002–2018 Turtle Conservation Fund A Partnership Coalition of Leading Turtle Conservation Organizations and Individuals Summary Activity Report 2002–2018 by Anders G.J. Rhodin, Hugh R. Quinn, Eric V. Goode, Rick Hudson, Russell A. Mittermeier, and Peter Paul van Dijk Strategic Action Planning and Funding Support for Conservation of Threatened Tortoises and Freshwater