Grenouille agile - Rana dalmatina
La protection de ses habitats (dont les lieux de reproduction) interdit toute intervention sur ces milieux particuliers à l'espèce et tout type de travaux
Phénologie des amphibiens en Pays de la Loire
Feb 3 2016 Adulte Jusqu'à 2 km des habitats de reproduction. Grenouille agile ... absence de la Grenouille rousse et du Crapaud commun dont les tétards.
Influence des paramètres environnementaux sur la stratégie de
stratégie de reproduction de la Grenouille agile Date de soutenance : 21 juin 2005 ... la Grenouille agile (Rana dalmatina Bonaparte 1938).
Reproductive biology of a cave-associated population of the frog
Grenouille des marais Rana palustris (Anura : Ranidae) dans une grotte situCe aux abords du plateau Males were sampled on 13 dates from July through.
Risk analysis report of non-native organisms in Belgium - American
La Grenouille taureau met en place des stratégies de survie flexibles qui reproduction in Flanders dates back to 2001 at several places in the Grote ...
Caractéristiques biologiques de la reproduction de la Grenouille
Une petite population de Grenouilles rousses (Rana temporaria) a été étudiée la date de départ de la reproduction (NEVEU comm. pers)
Reproduction of the Northern Leopard Frog (Rana pipiens) in
BREEDING ECOLOGY OF LEOPARD FROGS ilar to breeding dates in Ohio (Zenisek 1963)
Grenouille agile
Date. Auteurs. Page. Grenouille agile. 6.1. 16.06.2009 Ses sites de reproduction sont des plans d'eau situés dans ou à proximité immédiate de la.
Booklet Harison English.indd
de Conservation de l'Espèce Mantella auranfiaca (grenouille dorée) 2011-2015. on the coordination research and monitoring
Grenouille Taureau (Ranidés)
La première mention écrite signalant la naturalisation de l'espèce (dans la région de Bordeaux) date de 1990. Cette population est issue d'individus relâchés à
Science en ligne
Science en ligne
GRENOUILLE - Practical issues: a quick manual - arXivorg
GRENOUILLE - Practical issues: a quick manual A Christian Silva Department of Physics and Institute for Research in Electronics and Applied Physics University of Maryland College Park College Park Maryland 20742? (Dated: February 2 2008) This paper is the result of setting up GRENOUILLE in the Nonlinear Dynamics Laboratory at
Reproduction Des Grenouilles
Les grenouilles sont des amphibiens dioïques, ce qui veut dire qu'elles ont des sexes séparés et qu'il existe des différences entre les mâles et les femelles (dimorphisme sexuel). Quand commence le printemps, c'est lorsque les femelles pondent leurs œufs matures, moment où elles entreront dans l'eau pour trouver un mâle avec lequel s'accoupler. L'a...
Comment Naissent Les Grenouilles ?
Des œufs naissent des larves appelées têtards. Ces derniers vivent dans l'eau, alors que les adultes peuvent mener une vie semi-terrestre (d'où leur nom d'amphibien) mais ils devront tout de même vivre près de lieux humides ou proches d'une source d'eau. Chez les grenouilles il existe des soins parentauxqui, bien qu'ils peuvent être rares chez cert...
Métamorphose de La Grenouille
Une fois que les têtards sont sortis de leurs oeufs, ils passent par un processus de transformation, appelé métamorphose, afin d'atteindre leur forme adulte. A continuation nous prendrons le temps de vous parler de chacune des phases du cycle de vie de la grenouille.
Quelle est la maturité sexuelle d'une grenouille ?
Certaines atteignent leur maturité sexuelle autour des 8 mois, alors que d'autres doivent attendre 3 ans avant de pouvoir commencer à se reproduire. Vous trouverez tous les détails à propos de la reproduction des grenouilles dans cette vidéo de la chaîne Designmate publiée par Maria Teixera
Qu'est-ce que la reproduction des grenouilles ?
La description antérieure correspond à ce qui se passe pour la majorité des anoures. Néanmoins, la reproduction des grenouilles peut varier chez certaines espèces. Par exemple, la Colostethus machalilla pond ses œufs dans la terre, si cette dernière est bien humide.
Quel est le cycle de vie d’une grenouille ?
Schéma du cycle de vie de la grenouille (6 stades) : Des oeufs / un têtard après éclosion / un têtard de 2 mois (pattes de derrière) / un têtard de 2 mois et demi (4 pattes) / un têtard de 4 mois (queue raccourcie, sorti de l’eau) / une grenouille adulte
Quelle est la phase de métamorphose de la grenouille ?
La phase de métamorphose de la grenouille pourrait être divisée en deux, car dans chacune d'elles se produit des transformations différentes. Une fois que le le têtard sort de l’œuf, il compte sur les caractéristiques suivantes : Bouche en position ventrale.
Nirhy Rabibisoa
Harison Randrianasolo
Antananarivo 101, Madagascar
Sahondra Rabesihanaka
Naturelles, Ministère de l'Environnement et des Forêts, B. P. 243, Antananarivo, MadagascarSahoby Randriamahaleo
de l'Environnement et des Forêts, B. P. 243, Antananarivo, MadagascarRichard K. B. Jenkins
University of Kent, Canterbury, United Kingdom and, Madagasikara Voakajy, B.P. 5181,Antananarivo (101), Madagascar
Ambinanilemafy, Mangabe, Commune Ambohibary, Moramanga District, (by RomaRandrianavelona in 2009).
3 Species Conservation Strategy for Mantella aurantiacaCONTENTS
FOREWORD................................................................................................................. 4
ACKNOWLEDGMENT................................................................................................. 5
ACRONYMS................................................................................................................. 6
INTRODUCTION.......................................................................................................... 7
1-1 Name of the species....................................................................................... 9
1-2 Photographs of the species........................................................................... 9
1-3 Status of the species....................................................................................... 9
IUCN Red List.............................................................................................. 9
CITES............................................................................................................. 9
EDGE............................................................................................................. 9
Morphology................................................................................................. 10
4- Historical background............................................................................................ 11
5-1 Recent studies................................................................................................. 12
5-4 Demographical analysis.................................................................................. 17
5-5 Habitat types and follow-up........................................................................ 18
6- Analysis of the threats.......................................................................................... 21
B -DECLARATION OF THE VISION............................................................................ 24
C-GOALS ................................................................................................................... 24
D- RESTRICTIONS...................................................................................................... 25
E-SPECIFIC GOALS - OBJECTIVES - SPECIFIC OBJECTIVES - ACTIONS.................. 26F- PARTICIPANTS......................................................................................................... 39
G- LIST OF THE DEVELOPMENT MEETINGS............................................................ 41H- BIBLIOGRAPHY................................................................................................... 42
Species Conservation Strategy for Mantella aurantiaca 4FOREWORD
5 Species Conservation Strategy for Mantella aurantiacaAcknowledgment
Forêts in Moramanga, the Chef Cantonnement , the Antsily, Ampahatra, Manakana-Est and Ambodirotra Fokontany village leaders, the Lakambato village chief, the local leaders l'Environnement Moramanga, Oĸ ce Régional du Tourisme Alaotra Mangoro (ORTALMA), de base Miaradia, VOI (Vondron'Olona Ifotony) TARATRA Torotorofotsy, VOI Hafasahona Mangabe, VOI Faniry Ambodirtotra, VOI Miara-mirindra Manakana-Est, VOI Fanazava Andranomandry, VOI Soamiafara Ampahatra, VOI Fitahiana PK 33, VOI Mahasoa MahatsaraAmpasimaneva.
not cited, who contributed closely or from afar to the carrying out of this strategy. We alsoFunded by:
Species Conservation Strategy for Mantella aurantiaca 6ACRONYMS
COAP: Codes des Aires Protégées
CR : Gravement Menacée (selon la liste rouge de l'IUCNFKT: Fokontany
MEF : Ministère de l'Environnement et des ForêtsMEM: Ministère de l'Energie et des Mines
NAP: Nouvelle Aire Protégée
SAPM : Système des Aires Protégées de Madagascar management of natural resources is transfered) 7 Species Conservation Strategy for Mantella aurantiacaI-INTRODUCTION
The Madagascar amphibian fauna is unique in the world because of its high (almost 100%) level of endemism (Vietes et al. 2009). This future of Madagascar's frogs is threatened by habitat loss and climate change, as plan for amphibians (ACSAM) was created in 2006 to help Madagascar to amphibians produced by the IUCN/SSC Amphibian Specialist Group in 2005. protected areas, commerce, climate change and the development of the2008). Given the lack of resources to implement the whole SAP, and the
Sahasarotra-Ranomena forest block into the System of Protected Areas of forests block then obtained preliminary protected status according to theInterministerial decree n°52005/2010.
In general, the methodology adopted in this strategy follows the various steps described in the guide developed by the IUCN in 2008 (Strategic Planning Task Force Species Survival Commission, IUCN Version 1.0). According to this Species Conservation Strategy for Mantella aurantiaca 8 coherence between these various components be in order to ensure the be obvious. and a few work post-workshops sessions, the fi nal product consists of: a to be undertaken over the next fi ve years. 9 Species Conservation Strategy for Mantella aurantiaca1-1 Name of the species
Vernacular name: Golden Mantella (English), Sahona Mena (Malagasy),1-2 Photographs of the species
A B C
1-3 Status of the species
IUCN Red List:
2CITES:
th rank out of the 4,339 threatened amphibians ( www.edgeofexistence.org). Species Conservation Strategy for Mantella aurantiaca 10 from M. milotympanum and M. crocea (Chiari et al. 2004). The red form, proposed as a sub-species but this was later rejected by Vences et al. (1999) because of a lack of evidence.Morphology
A small but stout and vividly colored frog varied between bright orange mm, but occasionally large females reach 31 mm (Glaw and Vences 2007). males were signifi cantly smaller than females (Woodhead et al. 2007). Formicidae (non-winged), Diptera, Thysanoptera and Isopoda (Woodhead et al. 2007). Uses of this species also include commercial display in zoos, aquaria as well available but living individuals are held in a farm (Croc farm) in Antananarivo, at the Parc Botanique et Zoologique de Tsimbazaza (Antananarivo) and the 11 Species Conservation Strategy for Mantella aurantiaca of the Mantella frogs exported from Madagascar between 1994 and 2003 (Rabemananjara et al. 2008a). North America (United States and Canada) and Western Europe were the largest importers of Mantella frogs from Madagascar (Rabemananjara et al. 2008). Since 1995, the trade in wild M. quota of 2,500 frogs was agreed by CITES in 2009 and 550 frogs in 2010. RAMSAR site and of the Moramanga District. It is also the key species to promote the new protected area of Mangabe.4- Historical background
present (Figure 1). The holotype was collected from between Moramanga the sites in Andasibe (Perinét), but Vences et al. (1999) consider these to reported from the Torotorofotsy wetland which is located at less than 15 km from Andasibe (Zimmermann and Hetz, 1992; Zimmermann 1996). Vences et al. (1999) verifi ed a number of specimens and concluded that M. Anosibe An'ala and the Torotorofotsy swamp. The unpublished report of in subsequent assessments (Vences et al. 1999; Glaw and Vences, 2007). which was not formally accepted as a diī erent species by herpetologists area east of Fierenana (Bora et al. 2008) and could only account for two Species Conservation Strategy for Mantella aurantiaca 12 listed by Behra et al. (1995) and three in Ramilison (1997). Other sites listed by Behra et al. (1995), but ignored by later authors include Maromizaha outside of its current range (J. C. Randrianantoandro, pers. Obs.). Vieites et al. (2009) surveyed Maromizaha, Vohidrazana, Ambavariasy and fi ve other m in areas without humid forest. However, Vences et al. (1999) reported the presence of M. cowani in the forests south-east of Ambatolampy and near the humid forest corridor south-east of Ambatolampy. The recent5-1 Recent surveys
confi rmed (Bora et al. 1998; Randrianavelona et al, 2010). The second main cluster is located north-east of Moramanga town around the Torotorofotsy wetland (Bora et al. 2008; Randrianavelona et al. 2010). The most curious outliers occur to the north-west of Moramanga in the Ambakoana area, In sum, three sites occur west of the Mangoro River, all of which are rather isolated and are found in small forest fragments (Bora et al. 2008). With 13 Species Conservation Strategy for Mantella aurantiaca the polygons shown in Figure 3, the extent of occurrence is 1,189 km 2 and the area of occupancy is 112 km 2 to 626 km 2 and 89 km 2 Mangoro River tributaries or the Torotorofotsy wetland and its tributaries. the sites around the Torotorofotsy wetland are distributed in forest that are occur in diī erent watersheds. exist, or are predicted, at each site. The Mangabe forest is the only forest massif that stretches across the boundary between the districts of Moramanga and Anosibe An'ala. The northern part of this forest, in the Mangarivotra and Ambohibary communes, is a provisional protected area whilst the southern part of the forests has been allocated for sustainable forest management. A single site occurs west of the Mangoro River (Fatakana, Vodiriana commune). Species Conservation Strategy for Mantella aurantiaca 14 15 Species Conservation Strategy for Mantella aurantiaca colored in green and the black squares are the commune towns. Species Conservation Strategy for Mantella aurantiaca 16 commune towns. 17 Species Conservation Strategy for Mantella aurantiaca These sites occur in the Ambohibary commune. They are expected to the forest that shelters them is removed by the mine. The exact limit of the mine footprint could shiŌ within the buī er zone proposed in response the life of the mine3 Torotorofotsy: Zahamena-Ankeniheny corridor (New Protected Area
with 1 known site), Ambatovy Pipeline (Ramsar zone with 1 known site,Torotorofotsy inside Ramsar (3 known sites).
These sites are located in the commune of Andasibe and are managed by wetland. These sites are located in the commune of Andasibe and are managed by wetland.5-4 Demographic analysis
between 500 and 3,000 individuals per hectare (Behra et al. 1995) and between 836 and 1,371 ha -1 (Rabemananjara et al. 2008b). There is no breeding season is of limited value (Rabemananjara et al. 2008b). Species Conservation Strategy for Mantella aurantiaca 185- 5 Habitat types and follow-up
the breeding season (Randrianavelona et al. 2010). The extent to which is associated with humid forest between 873 and 1,054m above sea-level (Randrianavelona et al. 2010). The species is reported to live in swampAnon 2008; Vences et al. 1999).
19 Species Conservation Strategy for Mantella aurantiaca yellow), Analabe (in green) and Torotofotsy (in blue). Species Conservation Strategy for Mantella aurantiaca 20 Figure 5: A map showing the various land tenure and use: in grey: protected area IUCN Category II; in yellow and red: protected areas IUCN category VI having temporary status in 2005; green protected area IUCN category VI having global temporary status in 2008 and in blue: the RAMSAR site. 21Species Conservation Strategy for Mantella aurantiaca et al. 2007). Humid forests closest to the main road and Moramanga town suī ered the most notable declines during the period between 1997 and 2000.
A signifi cant part of the humid forest around Moramanga is now included in protected areas (Figure 5). There are two protected areas managed forests. The Zahamena-Ankeniheny corridor is a new protected area that is awarded provisional protected area status in October 2008. Both Zahamena- Ankeniheny Corridor and Mangabe will have sustainable use management areas within their boundaries and are thus diī erent category (category IV) to II). Torotorofotsy is a RAMSAR site and some areas of this watershed form part of the Ambatovy mining project.
6 Threat analysis
threats. These are likely to be compounded in the future by other threats6-1 Agriculture and aquaculture:
Humid forest is cleared using slash and burn to provide new agricultural land for crops such as rice, cassava and others. Species Conservation Strategy for Mantella aurantiaca 22Mining and quarrying
through the removal of waterside trees and increasing turbidity. Some of of nickel mine whilst other sites are within the 100 m buī er zone of the mine's footprint and will also inevitably be impacted.6-3 Biological resource use:
for commercial purposes according to surveys in the villages. The impact of to be minimal (Andreone et al. 2005). Nevertheless, it is conceivable that certain sites. Forest in Mangabe is subject to ongoing working for commercial and but introduces notable changes to the forest structure by increasing light FiresInvasive alien species
The disease Chytridiomycosis caused by the fungus Batrachochytrium (2008) screened 527 frogs of which 79 species were from Madagascar and 23Species Conservation Strategy for Mantella aurantiaca
Garbage and solid waste
advance.6-7 Climate change:
warming. Species are forced to follow the shiŌ ing microclimate into areas that are unsuitable (Raxworthy et al. 2008). There is also concern that the change may be diminished. Species most at risk are montane endemics Species Conservation Strategy for Mantella aurantiaca 24B- DECLARATION OF VISION
protected, restored and monitored and equitably managed in a legal and ecosystem services and, over the long term, secure natural resources andC- GOALS
Goal 4: To maintain ecological services for human well-being (water, clean 25Species Conservation Strategy for Mantella aurantiaca
D- RESTRICTIONS
Lack of Awareness:
in, or responsible for the mangement of, the sites were larely unaware published in foreign languages and such reports are usually too technical. concerning the species have been insuĸ cient. Thus, its endemism, direct confl ict exists. To date, there have been minial tangilble benefi ts to Species Conservation Strategy for Mantella aurantiaca 26E- SPECIFIC GOALS, OBJECTIVES and ACTIVITIES
Specifi c goal 1
management by 2015;2. To establishing a monitoring system in every site in order to determine
breeding sites within the Mangabe New Protected Areas by 2015; and Analabe. 27Species Conservation Strategy for Mantella aurantiaca
2011-2015
1-1-5 Establish a local monitoring structure
3 years2011-2013
1-2 Produce, for each zone of occurrence, a
clear management plan developed and ac- management plan in each area3 years2011-2013 Species Conservation Strategy for Mantella aurantiaca 28Specifi cs goal 2
to 2015. 29Species Conservation Strategy for Mantella aurantiaca and/or frequency) 1 to apply them
2011 - 2015
2011 - 2015
local community2011ARKIVE, EDGE.Every year
2011 - 2015
1 Dina : The Malagasy name of the social contract system, conceived and developed by the members of the local community,
Species Conservation Strategy for Mantella aurantiaca 30Specifi c goal 3
1. To develop a sustainable and fair collecting system for frogs in
some sites of the Mangabe forest from 2011 to 2015.2. A legal land rational management of timber and non-timber
products is applied in all M. aurantiaca breeding sites by 2015. 31Species Conservation Strategy for Mantella aurantiaca
3-1 To improve management for an equal
projects.4 years2011- 2015
3-2 To inform and communicate the econom-
3-2-6 Strengthening the responsibility of the "local commi
Species Conservation Strategy for Mantella aurantiaca 32frequency)
4-1 To contribute to the
2011 to 2015
2011 - 2014
species5 years2012- 2015
2011 - 2015
4-1-4 Looking for the means of controlling the sector
involved.4 years2011 - 2014
4-1-5 Establishing a (pilot) commercial centre in order
basic community4 years2012 - 2015
33Species Conservation Strategy for Mantella aurantiaca
Goal 4: To maintain ecological servicesfor human
well-being.Specifi c goal 4
Mangabe and Torotorofotsy from 2012 to 2015.
involved, especially the basic community from 2012 to 2015. Species Conservation Strategy for Mantella aurantiaca 34or frequency) concerning the environment, at schools and in the villages in the
2011 - 2015
2011 - 2013
primary schools.3 years2011 - 2013
2011 - 2012
35Species Conservation Strategy for Mantella aurantiaca
Specifi c goals 5
2. To make sure that the measures conceived shall be applied and
at a large diī usion the research and follow-up data, coming from the Species Conservation Strategy for Mantella aurantiaca 36frequency) according to the needs.2011
2011 - 2013
6-1-4 Carrying out a long-term follow-up of climate change eī ects on
6-1-5 Organizing refl exion sessions for the carrying-out without
specimens, means of conveyance,..).Yearly session2012-2014
6-2 To support the management
authority of CITES Madagascar2011 - 2015
6-3 To develop the possibility
2014.necessary.2013 - 2015 37
Species Conservation Strategy for Mantella aurantiaca
6-4 To determine the exact
yearly density/abundance of2011-2015
2011 - 2015
data. Every year2011 - 2015
6-5 To know the biology and
2011 -2012
restored sites around 2013.2013 - 20146-6 To know the diseases that can
spreading of the diseases.5 years2011 - 2015
Species Conservation Strategy for Mantella aurantiaca 38frequency) university, the collectors, operators, parks, site managers, land monitoring
2011 - 2015
7-1-2 Exchange and sharing, as soon as possible, of knowledge, data,
competence and news. 5 years2011 - 2015
2011 - 2015
and managers.every 2 years2013 - 2015
7-2-2 Giving the opportunity to the Malagasy zoo technicians and students to
2011 - 2015
39Species Conservation Strategy for Mantella aurantiaca diversité et du Système des Aires Protégées)
Naturelles),
RABESIHANAKA Sahondra
RANDRIAMAHALEO Sahoby
RAZAFINDRATSIMBA Véronique
RAHAINGONDRAHETY Volana Nasolo
And the Department of Animal Biology, Univer-
sity of AntananarivoDr RAKOTONDRAVONY DanielDr RASELIMANANA Achille
District of Moramanga MASO Marcelin
Ambohibary Commune RANDRIAMAHADERA Noelison
Mangarivotra Commune RAKOTOVELO
Chef Fokontany (Mankana, Beparasy, Antsily,
Andranomandry and Lakambato)RANARIJAONA Henri
RABEARIVELO Gabriel
RAKOTOMAZAVA Jean Paul
JEAN Felixon
CIREF, Moramanga RAZAFINDRAHANTA Hanitriniaina
CFOR, Moramanga RAKOTONDRAMASY Jules
al Oĸ ce for the Environment) MoramangaRAZAFINDRANDIMBY Jaques Oĸ ce Régionale du Tourisme (Tourism Region- al Oĸ ce), Alaotra MangoroRAVAHINIMBOLA Rachel diaRAMANAKIRIJA Hery Parc Botanique et Zoologique de Tsimbazaza RANDRIANIRINA JasminRAMBILISON Miot
FOUILLETTE Arnaud
RAZAFINJATOVO Roger
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