BERAU HERBARIUM
BERAU HERBARIUM
BERAU HERBARIUM
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The second purpose is to introduce Berau Herbarium. It describes techniques for collection<br />
and highlights the facilities available to botanists, foresters and others for improving their<br />
botanical knowledge through self-study and training courses. If the specimens are well<br />
collected and prepared, with accompanying quality data herbaria, Berau Herbarium can join<br />
and share its material with the international community. From there specialists can assist<br />
with difficult identifications and develop longer-term research partnerships. Ultimately, it is<br />
hoped this will inspire interest in further research in northeastern part of Kalimantan.<br />
Dipterocarpaceae<br />
Figure 1: Relative importance of tree families per<br />
area - mean of 48 ha, all trees dbh > 10 cm<br />
A literature reference lists recent<br />
publications for further study. A<br />
list of the species in <strong>BERAU</strong> (B)<br />
is provided as an annex.<br />
Euphorbiaceae<br />
Verbenaceae<br />
Rubiaceae<br />
Anacardiaceae<br />
<strong>BERAU</strong> TREE DIVERSITY<br />
Ebenaceae<br />
Bombacaceae<br />
Symplocaceae<br />
Dilleniaceae<br />
Lauraceae<br />
Sapotaceae<br />
Burseraceae<br />
Guttiferae<br />
Annonaceae<br />
Sapindaceae<br />
Caesalpiniaceae<br />
Meliaceae<br />
Myristicaceae<br />
Moraceae<br />
Tiliaceae<br />
Amonaceae<br />
Icacinaceae<br />
Flacourtiaceae<br />
Myrtaceae<br />
Loganiaceae<br />
Magnoliaceae<br />
Celastraceae<br />
Lecythidaceae<br />
Oleaceae<br />
Polygalaceae<br />
Apocynaceae<br />
Mimosaceae<br />
Proteaceae<br />
Fagaceae<br />
Theaceae<br />
Rhizophoraceae<br />
Rutaceae<br />
Hypericaceae<br />
Oxalidaceae<br />
Olacaceae<br />
Rhamnaceae<br />
Myrsinaceae<br />
Ochnaceae<br />
Thymelaeaceae<br />
0 5 10 15 20 25<br />
Importance value index<br />
The importance of Borneo as a<br />
world centre of plant diversity is<br />
reflected in STREK plot results<br />
from the tropical lowland<br />
rainforest of Berau. There is an<br />
average of 531 trees per ha (dbh<br />
>10 cm) representing 154 species.<br />
With a tree species identification<br />
rate of 99%, mostly to the species<br />
level 55 families have been found<br />
present in 48 ha, 12 plots of 4 ha<br />
each. The most important<br />
commercial family is the<br />
Dipterocarpaceae. The most<br />
important non-commercial family<br />
is the Euphorbiaceae. Their<br />
Importance Value Index (IVI)<br />
scores are 23.4 and 19.4,<br />
respectively. Twenty-five<br />
families with IVI
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