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Populations

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Occurence data

GBIF species occurence data


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Dypsis decaryi

Common name(s): Triangle plam

IUCN status : Vulnerable

Taxonomy: Life > Plantae > Magnoliophyta > Liliopsida > Arecales > Arecaceae      Authority : None      TPL version : None

Traits

Growth Type : Palm
Reproductive Repetition :
Dicot/Monocot : Monocot
Angio/Gymnosperm : Angiosperm
Growth Form Raunkiaer : Mesophanerophyte
Invasive (GISD Status) : False


Population Name: Plot C 1 matrices 1990 - 1993 MDG, Africa

Ecoregion : Tropical and subtropical moist broadleaf forests Location: -25.0167, 46.15 Altitude: 260.0m Within site replication : 3 (0.9 ha)

Click on the sections below to view individual matrix models

Mean matrix 8x8 Periodicity: None 1990 to 1993 Treatment: Harvesting Captivity: W Studied sex: A Seasonal: False λ = 1.16132

  • |S1: Seedlings (leaf length < 15 cm)|S2: Seedlings (leaf length < 15-60 cm)|S3: Seedlings (leaf length > 60 cm)|J1: Juvenile (stem visible and height < 80 cm)|J2: Juvenile (immature individual with stem height > 80 cm)|A1: Adult (matute individual with stem height < 200 cm)|A2: Adult (matute individual with stem height 200-350 cm)|A3: Adult (mature individual with stem height > 350 cm)|
    [0.3705 0 0 0 0 145 210 177.5;0.1235 0.6869 0 0 0 0 0 0;0 0.1717 0.4119 0 0 0 0 0;0 0 0.0824 0.7142 0 0 0 0;0 0 0 0.1429 0.7925 0 0 0;0 0 0 0 0.1865 0.9387 0 0;0 0 0 0 0 0.0605 0.9774 0;0 0 0 0 0 0 0.0211 0.9991]

    Observations: Censuses carried out every 6 month for seedling and juveniles and annualy for adults Periodicity Extra: NA Treatment info: Harvesting

    • Population Name: Plot A 1 matrices 1990 - 1993 MDG, Africa

    Ecoregion : Tropical and subtropical moist broadleaf forests Location: -25.0167, 46.15 Within site replication : 3 (0.9 ha)

    Click on the sections below to view individual matrix models

    Mean matrix 8x8 Periodicity: None 1990 to 1993 Treatment: Harvesting Captivity: W Studied sex: A Seasonal: False λ = 1.06685

  • |S1: Seedlings (leaf length < 15 cm)|S2: Seedlings (leaf length < 15-60 cm)|S3: Seedlings (leaf length > 60 cm)|J1: Juvenile (stem visible and height < 80 cm)|J2: Juvenile (immature individual with stem height > 80 cm)|A1: Adult (matute individual with stem height < 200 cm)|A2: Adult (matute individual with stem height 200-350 cm)|A3: Adult (mature individual with stem height > 350 cm)|
    [0.3197 0 0 0 0 113.75 162.75 155.75;0.1066 0.5615 0 0 0 0 0 0;0 0.1404 0.3045 0 0 0 0 0;0 0 0.0609 0.5499 0 0 0 0;0 0 0 0.11 0.8086 0 0 0;0 0 0 0 0.1903 0.9384 0 0;0 0 0 0 0 0.0606 0.9786 0;0 0 0 0 0 0 0.0211 0.9989]

    Observations: Censuses carried out every 6 month for seedling and juveniles and annualy for adults Periodicity Extra: NA Treatment info: Harvesting

    • Population Name: Plot B 1 matrices 1990 - 1993 MDG, Africa

    Ecoregion : Tropical and subtropical moist broadleaf forests Location: -25.0167, 46.15 Altitude: 260.0m Within site replication : 3 (0.9 ha)

    Click on the sections below to view individual matrix models

    Mean matrix 8x8 Periodicity: None 1990 to 1993 Treatment: Harvesting Captivity: W Studied sex: A Seasonal: False λ = 1.10504

  • |S1: Seedlings (leaf length < 15 cm)|S2: Seedlings (leaf length < 15-60 cm)|S3: Seedlings (leaf length > 60 cm)|J1: Juvenile (stem visible and height < 80 cm)|J2: Juvenile (immature individual with stem height > 80 cm)|A1: Adult (matute individual with stem height < 200 cm)|A2: Adult (matute individual with stem height 200-350 cm)|A3: Adult (mature individual with stem height > 350 cm)|
    [0.2895 0 0 0 0 121.6 143.6 170.4;0.0965 0.5769 0 0 0 0 0 0;0 0.1442 0.3695 0 0 0 0 0;0 0 0.0739 0.7775 0 0 0 0;0 0 0 0.1555 0.7618 0 0 0;0 0 0 0 0.1793 0.939 0 0;0 0 0 0 0 0.0605 0.9782 0;0 0 0 0 0 0 0.0211 0.9989]

    Observations: Censuses carried out every 6 month for seedling and juveniles and annualy for adults Periodicity Extra: NA Treatment info: Harvesting

    • Publications:
    Ratsirarson; Silander; Richard (1996). "None" in Cons Biol None, None.

    Purposes : No purposes given

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