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REBIOMA

 
REseau de la BIOdiversité de MAdagascar
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Le projet REBIOMA

REBIOMA (Le réseau de la biodiversité de Madagascar)

Portail de données

Portail de données d'occurrence des espèces de Madagascar

Atlas

Atlas numérique du système des aires protégées de Madagascar

Page des experts

Page destinée aux experts et aux détenteurs de données dans le portail

 

Environmental Layers

Madagascar Environmental layers used in Ecological Niche Modelling especially with Maxent.

Documents

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1A50 1A50

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Date added: 07/12/2010
Date modified: 11/24/2014
Filesize: 9.35 MB
Downloads: 2167

Madagascar bioclimatic variables from CCCM (Canadian Center for Climate Change Modelling) in 2050, A2a scenario
ESRI Ascii format
RealMat = Mean annual temperature (°C)
RealMar = Mean annual rainfall (sum of mean monthly rainfall) (mm)
MinTemp = The minimum temperature of the coldest month (°C)
MaxTemp = Maximum temperature of the hottest month (°C)
MinPrec = Minimum precipitation of the driest month (mm)
MaxPrec = Maximum precipitation of the wettest month (mm)
Etptotal = evaportanspiration total for 12 months added together (mm)
Wbyear = Water balance for the year (mm) (wbyear = realmar – etptotal)
Wbpos = Number of months with a positive water balance (integer value between 1 and 12)
 

1A20 1A20

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Date added: 07/12/2010
Date modified: 11/24/2014
Filesize: 9.4 MB
Downloads: 1674

Madagascar bioclimatic variables from CCCM (Canadian Center for Climate Change Modelling) in 2020, A2a scenario
ESRI Ascii format
RealMat = Mean annual temperature (°C)
RealMar = Mean annual rainfall (sum of mean monthly rainfall) (mm)
MinTemp = The minimum temperature of the coldest month (°C)
MaxTemp = Maximum temperature of the hottest month (°C)
MinPrec = Minimum precipitation of the driest month (mm)
MaxPrec = Maximum precipitation of the wettest month (mm)
Etptotal = evaportanspiration total for 12 months added together (mm)
Wbyear = Water balance for the year (mm) (wbyear = realmar – etptotal)
Wbpos = Number of months with a positive water balance (integer value between 1 and 12)
 

2000 2000

hot!
Date added: 07/12/2010
Date modified: 07/12/2010
Filesize: 9.52 MB
Downloads: 15300
Madagascar bioclimatic variables in 2000. ESRI Ascii format
RealMat = Mean annual temperature (°C)
RealMar = Mean annual rainfall (sum of mean monthly rainfall) (mm)
MinTemp = The minimum temperature of the coldest month (°C)
MaxTemp = Maximum temperature of the hottest month (°C)
MinPrec = Minimum precipitation of the driest month (mm)
MaxPrec = Maximum precipitation of the wettest month (mm)
Etptotal = evaportanspiration total for 12 months added together (mm)
Wbyear = Water balance for the year (mm) (wbyear = realmar – etptotal)
Wbpos = Number of months with a positive water balance (integer value between 1 and 12)

1950 1950

hot!
Date added: 07/12/2010
Date modified: 07/12/2010
Filesize: 9.5 MB
Downloads: 2502
Madagascar bioclimatic variables in 1950. ESRI Ascii format
RealMat = Mean annual temperature (°C)
RealMar = Mean annual rainfall (sum of mean monthly rainfall) (mm)
MinTemp = The minimum temperature of the coldest month (°C)
MaxTemp = Maximum temperature of the hottest month (°C)
MinPrec = Minimum precipitation of the driest month (mm)
MaxPrec = Maximum precipitation of the wettest month (mm)
Etptotal = evaportanspiration total for 12 months added together (mm)
Wbyear = Water balance for the year (mm) (wbyear = realmar – etptotal)
Wbpos = Number of months with a positive water balance (integer value between 1 and 12)

Simplified Geology Simplified Geology

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Date added: 06/09/2010
Date modified: 06/09/2010
Filesize: 77.41 kB
Downloads: 2197
This dataset was originally made available by Royal Botanic Gardens, Kew. The following description is taken from the Kew website: http://www.kew.org/gis/projects/madagascar/geolsimp_meta.html. "This map was digitized from the geology map of Madagascar (BESAIRIE, 1964). The 96 original categories were reclassified into predominant rock types which seem to have an important effect on the vegetation they support. The categories of sedimentary rocks include sandstones, loose (unconsolidated) sands, and two limestone categories of different ages (one of which produces the spectacular "tsingy" areas of jagged, highly eroded limestone pinnacles). A broad category of metamorphic rocks (including granites and migmatites), often covered by thick layers of laterites, covers large areas of the central and eastern areas of the island. Lavas and basalts, and several restricted rock types including quartzites, marbles and ultrabasics are also distinguished." For use in REBIOMA models, this map has been resampled from polygons to 30 arc-second grid.