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The Relationships Between Length and Weight of the Aldabra Giant Tortoise, Dipsochelys Dussumieri, in Mauritius
The relationships between length and weight of the Aldabra giant tortoise, Dipsochelys dussumieri, in Mauritius L. Aworer & R. Ramchurn* *Faculty of Agriculture, University of Mauritius, Réduit, MAURITIUS [[email protected] / [email protected]] Abstract: In the Republic of Mauritius Aldabra giant tortoises, Dipsochelys dussumieri (also known as Geo- chelone gigantea), are kept in captivity mainly in private parks, public gardens, a few sugar estates and by some people as pets . The study was carried out in two private parks: Casela and La Vanille and two public gardens, SSR Botanical Garden at Pamplemousses and Balfour Garden. The private parks were better managed and maintained by virtue of their commercial purpose. Improvements were needed for Balfour Garden. Regressions were established between straight, curved carapace lengths and weight of juveniles, adults, both males and females. Regressions for adult males and females were compared using two different methods (straight and curved carapace lengths). A strong positive relationship was observed between the weight and straight carapace length of juveniles (R2=0.96) and adult males (R2=0.88), whereas, for adult females there was a weaker relationship (R2=0.69). The same coefficient of regression was observed when the curved carapace length was regressed with weights for juveniles. A strong positive relationship was observed between weight and curved carapace length of adult males (R2=0.94), and for adult females there was a positive relationship (R2=0.74). From the work carried out, it had been found that both methods could be used to estimate weights of the tortoises using their respective equations. The equation for straight carapace length was Log Y = 2.47Log X + 0.2 (Y = weight in grammes; X = length in cm). -
Human Translocation As an Alternative Hypothesis to Explain the Presence of Giant Tortoises on Remote Islands in the Southwestern Indian Ocean
See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/298072054 Human translocation as an alternative hypothesis to explain the presence of giant tortoises on remote islands in the Southwestern Indian Ocean ARTICLE in JOURNAL OF BIOGEOGRAPHY · MARCH 2016 Impact Factor: 4.59 · DOI: 10.1111/jbi.12751 READS 63 3 AUTHORS: Lucienne Wilmé Patrick Waeber Missouri Botanical Garden ETH Zurich 50 PUBLICATIONS 599 CITATIONS 37 PUBLICATIONS 113 CITATIONS SEE PROFILE SEE PROFILE Jörg U. Ganzhorn University of Hamburg 208 PUBLICATIONS 5,425 CITATIONS SEE PROFILE All in-text references underlined in blue are linked to publications on ResearchGate, Available from: Lucienne Wilmé letting you access and read them immediately. Retrieved on: 18 March 2016 Journal of Biogeography (J. Biogeogr.) (2016) PERSPECTIVE Human translocation as an alternative hypothesis to explain the presence of giant tortoises on remote islands in the south-western Indian Ocean Lucienne Wilme1,2,*, Patrick O. Waeber3 and Joerg U. Ganzhorn4 1School of Agronomy, Water and Forest ABSTRACT Department, University of Antananarivo, Giant tortoises are known from several remote islands in the Indian Ocean Madagascar, 2Missouri Botanical Garden, (IO). Our present understanding of ocean circulation patterns, the age of the Madagascar Research & Conservation Program, Madagascar, 3Forest Management islands, and the life history traits of giant tortoises makes it difficult to com- and Development, Department of prehend how these animals arrived -
Atoll Research Bulletin No. 365 Issued by National
ATOLL RESEARCH BULLETIN NO. 365 ISSUED BY NATIONAL MUSEUM OF NATU HISTORY SMITHSONIAN INSTITUTION WASHINGTON, D.C., U.S.A. June 1992 CHAPTER 1 INTRODUCTION TO THE SOVIET- ERICAN EXPEDITION TO THE SEUCHELLES ISWDS The First Soviet-American Expedition in arine Biology to the Seychelles Islands was organized by the Institute of arine Biobgy, Far East Branc of the USSR Academy of Sciences, at the request of the SeycheIles Government. The Republic of the Seychelles Islands sought informari on the marine plane resources and productivity of benthic and planktonic corn Seychelles Bank. After discussing the program of w rrnent of Development of the Republic of the Seychelles Islands with the Deputy lvine Jandron, the following research objectives were established for the expedition: 1) To study the benthic marine biota and fouling processes of the Seychelles Islands, which represents a poorly investigated region of the Indian Ocean. 2) To provide the first analyses of the species composition of algal communities for several remote island groups (Farquhar Atoll, CBeeivy Atoll, Cosmoledo Atoll, hirantes Group) and to supplement previous knowledge on the algae of Aldabra Atoll, ah6 Island and Praslin Island. 3) To study the distribution of autotrophic organisms over the various reef systems and determine the depth ranges of algae, seagrasses and corals. 4) To evaluate the common algal and seagrass resources in the area of study, particularly species of commercial interest. 5) To estimate the production potential of the major producers of organic matter on Seychelles reefs; i.e., benthic macroalgae, seagrasses, reef building corals and phytoplankton. 6) To assess the prevalent environmental parameters of the various island groups studied: e.g., optical characteristics of the water, seawater temperatures, nutrient contents, oxygen levels, pH and current velocities. -
ALDABRA GIANT TORTOISE Aldabrachelys Gigantea
ALDABRA GIANT TORTOISE Aldabrachelys gigantea Location: The Aldabra giant tortoise inhabits the Aldabra Islands, a coral atoll comprised of 4 islands in the Seychelles, which is located between the coast of Kenya and the northern tip of Madagascar. The Aldabra giant tortoise occurs in many different habitats. The largest tortoise concentrations are found on the grasslands called platins; the grasslands are often dotted with trees and bushes. It also frequents scrublands, mangrove swamps and coastal dunes. Diet: These animals are primarily herbivores with the ability to both graze and browse. In the drier areas, they graze mostly on sedges, and a combination of native species of grasses and herbs. Many of these distinct plants are naturally dwarfed and grow their seeds not from the tops of the plants, but closer to the ground to avoid the tortoises’ close cropping jaws. In the wooded and scrub areas, tortoises browse on many types of woody plants. A number of species are readily eaten, and some show a conspicuous browse line about 3 feet above the ground, which is about as high as the tortoises can stretch their necks. Life Cycle: Aldabra giant tortoises are found both individually and in herds. They mainly feed in the mornings and continue until the temperature becomes too hot. Sheltering trees or bushes are necessary to escape the extreme mid- day sun; some tortoises cool themselves in pools or mud holes. Mating of Aldabra giant tortoises usually occurs between February and May. The eggs are carried within the female’s body for about 2.5 months. During the dry season, the female digs a flask-shaped cavity where she deposits her eggs. -
ON the NATIVE FAUNA of ALDABRA ATOLL, SEYCHELLES Ferai Cats
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by I-Revues THE IMPACT OF THE FERAL CAT (FELIS CATUS) ON THE NATIVE FAUNA OF ALDABRA ATOLL, SEYCHELLES Wendy SEABROOK* Ferai cats (Fe lis catus) have colonized and caused considerable damage to island ecosystems throughout the world (Merton, 1978 ; Croxall et al., 1984 ; Veitch, 1985). In this paper the results of an examination (1985-86) of the distribution and ecology of the ferai cat on Aldabra Atoll in the Indian Ocean (9.5" S., 46.5" E.) are summarized, and the impact of cats on native fauna is assessed. Prior to this study very little was known about the cat population. Only sightings and signs of them had been reported on the four main islands of the Atoll (Stoddart, 1971 ; Racey Nicoll, 1984). Considering Aldabra's status as a World Heritage Site and its rich endemie fauna (eg. Giant tortoise (Geochelone& gigantea) and White-throated rail ( Dryo limnas cuvieri aldabranus)), a preliminary ecological study on the cats was necessary to design an eradication or control programme. Any proposai to eliminate an alien predator from an island should be justified on biological grounds, and the likely ecological consequences must be considered (Merton, 1978), especially if, as on Aldabra, other alien predators are also present. Because of the considerable financial investment and persan-power required, eradication and control programmes must also be evaluated with reference to other mana gement objectives. Aldabra is one of the finest examples in the world of a raised coral atoll ecosystem (Stoddart Savy, 1983). -
Merry Christmas & Happy New Year
DECEMBER 2020 TheBlueMountainsLibrary.ca | 519-599-3681 THE BLUE MOUNTAINS PUBLIC LIBRARY LIBRARY NEWS SIGN UP FOR EMAIL NEWSLETTER www.bluemountainsreview.ca www.visitblue.ca NOVEMBER 2020 Vol 6 Issue 34 Published by Riverside Press, Box 387 Thornbury, N0H 2P0 519-599-3345 NOVEMBER 27 EDITION Holiday Programs We are ringing the silver bells at the Blue Mountains Public We'll help you celebrate the holiday season by helping you and Library throughout December, as we celebrate our 25th yours create memories this season. Register your home with Anniversary and deck the halls for the Winter Holiday season. Outdoor Festival of Lights to put your house on the tour map of This month is filled with contests, prizes and giveaways, local neighbourhoods in the Blue Mountains area. Register by memory sharing and making moments, along with our regular Dec 9th to ensure your home is on the map available online. programming and events. Outdoor Festival of Lights starts Dec 12th and you can vote for your favourite home untilMerry Dec 28th! Christmas We are kicking the celebrations off with a month-long Holiday Writing Contest for kids until Jan 4th. Winning pieces will be Explore our Holiday& Themed Happy Things To Do At Home webpageNew to Year featured on our website and in an exhibit on Biblioboard. We’ll get fun memory making activities and things you can do at home also help you mail your letter to Santa if you drop it off at the over the holiday season. L.E. Shore Library before December 10th. Don’t forget to Saturday December 12 - include your address on the envelope, so Santa can mail you back! Monday December 28 Christmas Dinner Drive Thru 5:00pm -11:00pm Join in the creative holiday fun with Holiday Recipe Swap and Saturday, December 19th Celebrate the holiday season get memorable holiday recipes from others and the Craigleith Beaver Valley Community Centre Heritage Depot archives on Dec 3rd at 7pm on Zoom. -
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Getting to Know the Locals August 29, 2017, Seychelles, Desroches Island The Aldabra giant tortoise (Aldabrachelys gigantea) is unique to Seychelles. When humans first arrived in the Western Indian Ocean there were at least nine species of giant tortoises living on islands in the region (five in the Mascarenes, two on Madagascar, and two in Seychelles). In Seychelles, there were giant tortoises living on the granitic (inner) islands and also in the remote southern Aldabra group of islands. Sadly, humans drove them all to extinction, except for those living on Aldabra Atoll, which is the most remote island group in the Seychelles; but even at Aldabra, the tortoise population was much reduced by the late 19th century. Tortoises did not naturally occur in the Amirantes group of islands when Europeans discovered the islands in the 16th century. This is probably because the Amirantes are young sand cay islands that emerged above sea level only about 4,000 years earlier. So, a breeding colony of Aldabra giant tortoises was established on Desroches, comprising individuals from the Aldabra population. 1 The giant tortoises on Desroches are under the care of the Island Conservation Society (ICS), which oversees the running of the tortoise breeding program and works to ensure the well-being of the entire Desroches population, which includes more than 150 animals. While staying at Four Seasons Resort Seychelles at Desroches Island, guests are encouraged to visit the Tortoise Sanctuary, where they can learn more about their habits and way of life. For example: • An Aldabra giant tortoise drinks through its nose. -
Your Cruise Secret Seychelles Islands
Secret Seychelles islands From 12/17/2021 From Victoria, Mahé Ship: LE BOUGAINVILLE to 12/29/2021 to Victoria, Mahé Embark with PONANT on anexpedition cruise to discover the most beautiful islands of the Seychelles. This 13-day itinerary aboardLe Bougainville will be an opportunity to discover little-known places of breathtaking natural beauty and an original fauna and flora. Leaving from Victoria, the archipelago’s capital, fall under the spell of the idyllic landscapes, with their exceptional flora and fauna. On Curieuse Island, reputed for its red earth and for the Aldabra giant tortoises that have taken up residence there, take an excursion to the heart of the mangrove. Then, you will discoverthe island of Aride, an unspoiled delight of the Indian Ocean, home to thousands of birds including some endemic species. In Praslin, do not miss the chance to visit the Vallée de Mai Nature Reserve. There you will find sea coconuts, gigantic fruits with a very evocative shape, nicknamed the “love nut”. During your cruise, you will have many opportunities to dive or snorkel, notably in Poivre as well as on the sublimeSaint-François atoll and the uninhabited and unspoilt Bijoutier Island. Another highlight of your trip will be the port of call Cosmoledoat . This magnificent atoll owes its nickname, the Galapagos of the Indian Ocean, to the beauty of its unique underwater world. Diving in this paradise lagoon becomes an extraordinary experience. You will call at Astove Atoll. Renowned for the beauty and diversity of its underwater world, it is home to a large population of tortoises and sea turtles. -
Roxtons-Blue-Safari-Brochure.Pdf
25 High Street, Hungerford, Berkshire RG17 0NF England Tel: +44 (0)1488683222 Email: [email protected] Website: www.roxtons.com THE SHEER REMOTENESS OF THE OUTER ISLANDS ARE Mahé ABUNDANT WITH AN EXTRAORDINARY SELECTION OF WILDLIFE, FLORA AND FAUNA, CULMINATING IN AN 40 min UNPARALLELED BIOME OF DIVERSITY. Poivre Atoll 60 min Desroches Island These magnificent islands and atolls, consisting of the Alphonse Group of Islands – the stunning trio of Alphonse Island, St François Island and Bijoutier Island and the other beautiful atolls of Cosmoledo Atoll, Astove 30 min Atoll, Poivre Atoll and the resplendent Amirante Islands are found south Cosmoledo Atoll of the equator in the heart of the Indian Ocean. These range between 400 and 1 055 kilometres south-west of Mahé, the main island of the Seychelles. Alphonse Island They are blessed with one of the world’s healthiest climates, with miles of unblemished shorelines, lagoons and sea flats. The isolation of these islands and atolls creates an atmosphere of undisturbed solitude where you Bijoutier Island can immerse yourself in the natural wonders and exceptional experiences 60 min they have to ofer. 120 min Considered some of the untouched Edens of the world, these outer islands and atolls of the Seychelles have an unparalleled biome of diversity and St François Island Astove Atoll abundance, making them a nature lover’s paradise which begs to be dis- covered and explored. What is Blue Safari Seychelles? Safari is a Swahili word taken from the Arabic, safar ‘to journey’. Blue is the predominant colour in the area, and if it’s your time to journey into the unknown; to seek out excitement and adventure, to walk amongst mangroves, free-living giant land tortoises and wild spaces, then read on.. -
Hero Plus™ By: Edwin & Donna Millheim
Bright Future™ Sourcebook 1 By Donna and Edwin Millheim ™ Bright Future™HERO Sourcebook 1 PLUS Page 1 Bright Future™ Sourcebook 1 By Donna and Edwin Millheim Developed for Hero Plus™ by: Edwin & Donna Millheim Published by: Hero Plus™ P.O. Box 699 Aptos, CA 95001-0699 [email protected] Copyright @1997 by Hero Games. All rights reserved. Hero System, Fantasy Hero, Champions, Hero Games and Star Hero are all registered trademarks of Hero Games. Acrobat and the Acrobat logo are trademarks of Adobe Systems Incorporated which may be registered in certain jurisdictions. All other trademarks and registered trademarks are properties of their owners. Published by Hero Plus, a division of Hero Games. Hero Plus Hero Plus is an electronic publishing company, using the latest technology to bring products to customers more efficiently, more rapidly, and at competitive prices. Hero Plus can be reached at [email protected]. Let us know what you think! Send us your mailing address (email and snail mail) and we’ll make sure you’re informed of our latest products. Stock # HPE1008 Page 2 Bright Future™ Sourcebook 1 Visit our Web Site at http://www.herogames.com ™™™ BrightBrightBright FutureFutureFuture™ Sourcebook 1 By Donna and Edwin Millheim Based on the Bright Future Comic created by Edwin Anthony Millheim Hero Plus Managing Editor: Bruce Harlick Project Manager: Edwin Millheim Writer/Creator: Edwin Millheim Writer/Editor: Donna Millheim Layouts: Donna Millhemi, Bruce Harlick HERO Systems Conversions Editor: Joe Moran Art Director/Illustrations: Ray Lederer Contributing Writers: Joe Moran, Shael Millheim, John Janek, Steve Zutaut, Sky Barr, Wade Wilson Art Scans: Meridian Designs, Glenn Brensinger Contributing Artists: Nancy Champion, Roland Paris Comic Archive Artwork: Ray Lederer, Roland Paris Editoral Contributions: Bruce Harlick Bright Future™ Sourcebook 1 Page 3 Bright Future Copyright Ó1997 Donna and Edwin Millheim of Meridian Designs. -
April 1954 the American Horticultural Society, Inc
The NATIONAL HOR TICULTURAL MAGAZINE JOURNAL OF THE AMERICAN HORTICULTURAL SOCIETY, INC. APRIL 1954 THE AMERICAN HORTICULTURAL SOCIETY, INC. 1600 Bladensburg Road, Northeast Washington 2, D. c. OFFICERS President: Dr. John L. Creech, Glenn Dale, Maryland First Vice-President: Mr. Arnold M. Davis, Cleveland, Ohio Second Vice-President: Mrs. Robert Woods Bliss, Washington, D. C. Secretary: Dr. Francis de Vos, Washington, D. C. Treasu,rer: Miss Olive E. Weatherell, Olean, New York Editor: Mr. B. Y. Morrison, Pass Christian, Mississippi Managing Editor: Mr. James R. Harlow, Takoma Park, Maryland Edito'rial Stalf: Miss May M. Blaine, Mr. Bernard T. Bridgers Art Editor: Mr. Charles C. Dickson DIRECTORS Terms Expiring 1954 Terms Expiring 1955 Mr. Stuart Armstrong, Silver Spring, Mary- Mrs. Mortimer J. Fox, Mount Kisco, New land York Dr. Fred O. Cae, Bethesda, Maryland Mr. Frederic P. Lee, Bethe~da, Maryland Mrs. Walter Douglas, Chauncey, New York Mrs. J. Norman Henry, Gladwyne, Penn- Dr. Brian O. Mulligan, Seattle, Washington sylvania Dr. Freeman A. Weiss, Washington, D. C. Mrs. Arthur Hoyt Scott, Media, Pennsyl Dr. Donald Wyman, Jamaica Plain, Massa- vania chusetts HONORARY VICE~PRESIDENTS "Mr. Arthur C. Brown Mr. Harold R. Laing American Camellia Society Men's Garden Clubs of America Box 2398, University Station 2891 Plymouth Road Gainesville, Florida Chagrin Falls, Ohio Mr. James B. Craig Dr: G. H. M. Lawrence American Forestry Association American Horticultural Council 919 Seventeenth Street, Northwest Bailey Hortorium Washington 6, D. C. Ithaca, New York Mr. Harry W. Dengler Mrs. Hermann G. Place Holly Society of America The Garden Club of America Maryland Extension SerVice 530 Park Avenue College Park, ¥aryland New York 21, New York Mr. -
Your Cruise Secret Seychelles Islands
Secret Seychelles islands From 3/24/2023 From Victoria, Mahé Ship: LE JACQUES CARTIER to 4/5/2023 to Victoria, Mahé Embark with PONANT on anexpedition cruise to discover the most beautiful islands of the Seychelles. This 13-day itinerary aboard Le Jacques- Cartier will be an opportunity to discover little-known places of breathtaking natural beauty and an original fauna and flora. Leaving from Victoria, the archipelago’s capital, fall under the spell of the idyllic landscapes, with their exceptional flora and fauna. On Curieuse Island, reputed for its red earth and for the Aldabra giant tortoises that have taken up residence there, take an excursion to the heart of the mangrove. Then, you will discoverthe island of Aride, an unspoiled delight of the Indian Ocean, home to thousands of birds including some endemic species. In Praslin, do not miss the chance to visit the Vallée de Mai Nature Reserve. There you will find sea coconuts, gigantic fruits with a very evocative shape, nicknamed the “love nut”. During your cruise, you will have many opportunities to dive or snorkel, notably in Poivre as well as on the sublimeSaint-François atoll and the uninhabited and unspoilt Bijoutier Island. Another highlight of your trip will be the port of call Cosmoledoat . This magnificent atoll owes its nickname, the Galapagos of the Indian Ocean, to the beauty of its unique underwater world. Diving in this paradise lagoon becomes an extraordinary experience. You will call at Astove Atoll. Renowned for the beauty and diversity of its underwater world, it is home to a large population of tortoises and sea turtles.