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  • Assessing temporal variability

    in habitat quality for vicuñas

    Assessing temporal variability

    in habitat quality for vicuñas.

    Jerry Laker and Parivash LumsdonJerry Laker and Parivash Lumsdon

  • The Vicuña Vicugna vicugna Order: Camelidae

    Weight: 33 – 55 kg

    Height: 0.75-1m to withers

    Status: CITES App II

    Fibre: 12-15 μm

    Fleece weight: 0.2 kg

    Altitude range: 3.5 – 5 km a.s.l.

    Genetics: 2 subspecies

    Vicugna vicugna mensalis Vicugna vicugna vicugna

  • What’s so special? The vicuña bears the highest quality natural textile fibre on earth

  • Vicuña distribution

    and population

    Sources: CONAF/DGB/CONACS/Cajal-Cabezas

    Peru

    Bolivia

    Argentina

    Chile

    227,500180,10082,60014,500Total 2,0001,60000Ecuador

    16,90019,8008,000500Chile 33,50022,1008,2001,000Argentina 56,40033,8004,5003,000Bolivia 118,700102,80061,90010,000Peru

    2001199719811969

  • To ta

    l v ic

    uñ a

    in a

    lti pl

    an o

    Population growth shows no sign of slowing….

    0

    50,000

    100,000

    150,000

    200,000

    250,000

    196 5

    197 0

    197 5

    198 0

    198 5

    199 0

    199 5

    200 0

    200 5

    ?

  • ParinacotaParinacota, , Northern ChileNorthern Chile

  • Vicuña population in Parinacota 1975-2003

    0

    5000

    10000

    15000

    20000

    25000

    19 75

    19 77

    19 79

    19 81

    19 83

    19 85

    19 87

    19 89

    19 91

    19 93

    19 95

    19 97

    19 99

    20 01

    20 03

  • Population growth rate by population

    R2 = 0.551

    -0.3000

    -0.2000

    -0.1000

    0.0000

    0.1000

    0.2000

    0.3000

    0.4000

    0.5000

    0 5000 10000 15000 20000 25000 30000

    Population size

    Po pu

    la tio

    n gr

    ow th

    ra te

    , r

    Source: Bonacic, C., D. W. Macdonald, et al. (2002). "Density dependence in the camelid Vicugna vicugna: the recovery of a protected population in Chile." Oryx 2: 118-125.

  • Cria per female

    y = 0.4056x R2 = 0.8975

    0

    100

    200

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    600

    700

    0 200 400 600 800 1000 1200 1400

    N fem ales

    N c

    ria

  • 1975 Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

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    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

    1975

  • Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

    1976

  • 1977

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

  • 1978

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

  • 1979

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

  • 1980

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

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    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

  • 1981

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

  • 1982

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    Total population

    0

    5000

    10000

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    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

  • 1983

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    Total population

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

  • 1984

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    Total population

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

  • 1985

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    Total population

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

  • 1986

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

  • 1987

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

  • 1988

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

  • 1989

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

  • 1990

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

  • 1991

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

  • 1992

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

  • 1995

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    0

    5000

    10000

    15000

    20000

    25000

    30000

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

    Total population

  • 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 0

    5000

    10000

    15000

    20000

    25000

    30000

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    1999

  • 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 0

    5000

    10000

    15000

    20000

    25000

    30000

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    2001

  • 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 0

    5000

    10000

    15000

    20000

    25000

    30000

    Resurgence of vicuña populations following introduction of conservation measures I region, Chile

    2001

  • NDVI scale

  • Mean monthly rainfall

    0

    20

    40

    60

    80

    100

    120

    140

    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

    R ai

    nf al

    l ( m

    m )

    Total annual rainfall

    0 50

    100 150 200 250 300 350 400 450

    Caquena (North) Salar de Surire (South)

    N

    S