Identifying tree populations for

surfscreechingΛογισμικό & κατασκευή λογ/κού

11 Δεκ 2013 (πριν από 3 χρόνια και 9 μήνες)

77 εμφανίσεις

Identifying tree populations for
conservation actions through
geospatial analyses

Riina Jalonen, Maarten van Zonneveld, Evert Thomas,
Hannes Gaisberger, Barbara Vinceti, Hong Lay Thong

and Judy Loo

Bioversity International

Spatial biodiversity analyses


Can help to answer


Where are the most diverse or most unique
resources and why?


Are they threatened by land use changes or
climate change?


Where should action be taken to most efficiently
conserve diversity or tap useful variation?


Visualization

Data


Field studies


Existing records


Species distribution modeling can complement


This presentation
:
Case
studies about the uses of
spatial analysis tools on tropical tree species

Freely available tools and datasets


DIVA
-
GIS software


www.diva
-
gis.org


Special features for analyzing biodiversity data


Free
spatial data


Training manual (Scheldeman & van Zonneveld 2010)
w
ww.bioversityinternational.org/training/training_materials/gis_manual.html


The Global Biodiversity Information Facility (GBIF)


312,669,756

species records (15 Nov 2011)


www.gbif.org


WORLDCLIM


Current, future and past climate data


www.worldclim.org



MAPFORGEN
-

Threat profiles


100 useful tree species of Latin
America and the Caribbean


Data from the GBIF, national
systems, herbaria, literature,
research groups…


Species distribution modeling


Comparison with threat maps


Individual threat profiles


Main threats


Most threatened populations


Fragmentation


Proportion of distribution area in
protected areas


Fire risk

(Jarvis et al. 2010)

Accessibility

Agriculture

Mining

Oil and gas

Climate change

Invasive species

Pinus

kesiya




climate change threats

Predicted distribution (current)

Predicted shifts in distribution (2050)

Van Zonneveld et al. 2009

Cherimoya



Allelic
diversity

Allelic richness (number of alleles)

Cluster analysis

CHERLA 2009

Cherimoya


Reserve selection

CHERLA 2009

Asian tree species


Data availability

Species

Specified
locations

Countries

Chukrasia tabularis

17

7

Cambodia, China, India, Lao PDR,
Malaysia, Thailand, Vietnam

Dipterocarpus
alatus

22

7

Cambodia, Indonesia, India, Lao PDR,
Myanmar, Thailand, Vietnam

Fagraea fragrans

55

7

Cambodia, India, Indonesia, Lao PDR,
Malaysia, Thailand, Vietnam

Hopea odorata

7

6

Cambodia, India, Indonesia, Lao PDR,
Myanmar, Thailand

Pterocarpus
macrocarpus

99

5

Cambodia, Lao PDR, Myanmar,
Thailand, Vietnam

Tectona grandis

1

1

Philippines

Data: GBIF

three countries

two countries

Asian tree species

-

Regional collaboration

one country

Fagraea fragrans

Data: GBIF, WORLDCLIM (Hijmans et al. 2005) Analyses: Maxent (Phillips et al. 2006)