Geology Reference
In-Depth Information
Table 4.5.
Th e ten sp ecies which are the most co mmon, the most requent, and greatest co ntibutos to basal
area in 20 tree variable area plots (L ovett, 1992) for submontane forest in the We st Us ambara at Ambangulu
(2 0 plots) and nothen Uz ungwa in the Mwanihana Forest Reseve (3 5 plots) . Th e most common sp ecies has
the reatest number of individuals. Th e most requent sp ecies ocus in the greatest number of plots. Th e species
which contributes the greatest basal area has the greatest cumulative basal area. The percentage co ntribution of
each sp ecies is given in parentheses ollowing the speies name. he percentage co ntribution of the ten species is
given at the head of each section
mbnulu
Most common
68.6% of individuals. 21 % of species.
Allanblackia stuhlmannii
(12),
Newtonia buchananii
(11),
My rianthus holstii
(9),
Parinai excelsa
(7.3),
Leptonych ia
usambarensis
(7),
Jsoberlinia schfiei
(6.3),
Af rosersalisia cerasifera
(5.5),
Ce/tis aficana
(3.5),
Dypetes gerrardii
(3.5),
Engleroendron usambarense
(3.5).
Most requent
Newtonia buchananii
(85),
Allanblackia stuhlmannii
(75),
Parinari excelsa
(55),
Afrosesalisia cerasfera
(55),
My rianthus holstii
(50),
Isoberlinia schfiei
(35),
Ce/tis aficana
(35),
Chysophyllum gorungosanum
(35),
Dpetes
gerardii
(35),
Englerodendron usambarense
(35).
Greatest basal area
84.5% of basal area. 21 % of species.
Newtonia buchananii
(24.8),
Allanblackia stuhlmannii
(18.8),
Parinai excelsa
(12.8),
Is oberlinia schfiei
(9.2),
My ianthus holstii
(4.5),
Afrosersalisia cerasifera
(3.7),
Cleistanthus polystachyus
(3.0),
Sapium ellipticum
(2.8),
Ce/tis
aficana
(2.6),
Chysphyllum gorungosanum
(2.3).
Mwanihana Forest
Most common
59.8% of individuals. 11.8% of species.
Parinai excelsa
(20.4),
Cphalosphaera usambarensis
(11.0),
Trichosypha ulugurensis
(7.7),
Lptonychia usambarensis
(3.8),
Newtonia buchananii
(3.6),
Ta bemaemontana pachysiphon
(3.l),
Strombosia schfieri
(2.9),
Syzygium guineense
(2.7),
Sapium elliptium
(2.6),
Myianthus holstii
(2.0).
Most requent
Painari excelsa
(91.4),
Newtonia buchananii
(45.7),
Cphalosphaera usambarensis
(42.9),
Lptonychia usambarensis
(40.0),
Trichospha ulugurensis
(37.l),
Syzygium guineense
(34.3),
Odyendea zimmermannii
(31.4),
Chysophyllum
goungosanum
(28.6),
Cassipourea gummiflua
(25.7),
Tabemaemontana pachysiphon
(25.7).
Greatest basal area
78.6% of basal area. 11.8% of species.
Parinai xcelsa
(46.9),
Cephalosphaera usambarensis
(8.5),
Newtonia buchananii
(4.9),
Beilschmeidia kweo
(3.5),
Sapium elliptium
(3.4),
Uapaca paludosa
(3.4),
Syzygium guineense
(2.4),
Albizia gummifera
(2.0),
Trichosypha
ulugurensis
(2.0),
Ficalhoa lauiolia
(l.6).
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