Table 35. Percent substrate cover by sessile-benthic categories surveyed by video transects at a
depth of 50 m on Agelas Reef, Isla Desecheo during 2004.
Substrate Categories
TRANSECT
Mean
1
2
3
4
5
6
7
8
Scleractinian Corals
Agaricia spp.
4.20
5.60
7.8
4.8
9.2
22.8
9.0
7.6
Porites astreoides
1.80
3.40
1.2
2.2
0.8
0.6
1.8
2.6
8.88
1.80
Montastrea annularis
2.40
0.4
8.8
1.45
3
0.15
0.08
0.05
3
.80 12.00 13.13
Colpophyllia natans
4.2
0.5
Eusmilia fastigiata
0.4
1.0
0.18
Mycetophyllia
lamarckiana
0.60
0.20
0.4
Montastrea cavernosa
0 . 6
Meandrina meandrites
0.20
0.2
Madracis sp.
0.20
0.0
Total scleractinian
corals =
9.00
9.60
9.80
7.40 10.00 36.40 10
Benthic Algae
Lobophora variegata
33.20
36.20 36.00 47.00 33.20 34.20 34.40 38.80 36.63
Fleshy algae
2.40
1.40
5.20
0.40
2.00
0.40
1.20
0.20
1.65
14.35
3
Turf algae
14.80
24.00 25.20 8.20 19.00 4.00 10.60 9.00
Total benthic algae =
50.4
61.6
66.4
55.6
54.2
38.6
46.2
48.0 52.6
Sponges
Agelas conifera 16.8
8.4
4.6
7.8
1.0
1.6
4.6
2.6
5.9
Agelas clathrodes 1.0
0.2
0.8
5.6
1.4
0.6
1.0
1.2
1.5
Aplysina cauliformis 1.2
0
2.0
0.6
0.2
1.2
0.8
4.2
Aplysina lacunosa 0.2
0.2
0
0.2
1.2
0.6
0.6
0.4
Cribrochalina. vasculum 0.8
0.2
0
1.0
0.6
0
0
0
Xestospon
1.3
0.4
0.3
gia muta 0
2.8
0.6
0
0
0
0
0
0.4
Geodia neptuni 0
0
1.4
0
0
0
0
0
0.2
Agelas sp. 0
0
0
0
0.8
0.8
0
0.4
0.3
0.1
17.6
.60 20.60 28.20 28.00
Abiotic
1.40
1.60
2.00
2.80
2.80
1.80
4.60
2.60
2.45
0.13
C
ia
i
rigida,
eris
cucullata, L. cailleti, Madrac
re sis, Millepora alcicornis, Mycetophy ia alic e, M.
P rit
P p rite
m cub
is, Stylaster
tic
e
i
Agelas dispar 0
0
0
0
0
0
0
1.0
unidentified 19.2
15.4
11.6
19.0
27.8
15.8
13.6
18.4
Total sponges =
39.20
27.20 21.00 34.20 33.00 20
Antipathari
(# colo
ans
nies/transect)
1
o
: A
rals outside transects garic agaric tes, A. lamarki, A. grahame, Isophyllia
Leptos
is pha n
ll
ia
fe
s
rox,
o es sp. (colonensis ?), . o s, Scoly ia
ens
roseus, S hopath lutken
117