Mangrove Area Sampling in Bolinao, Pangasinan
Juan Paulo R. Latonio, Nicole Therese M. Mendiola, Maria Katrina T, Morato, Karol Sophia Agape R. Padilla 4BI! "roup # $epart%ent o& Biological Sciences 'ollege o& Science, (ni)ersit* o& Santo To%as +spaa, Manila Philippines ADDENDUM Methods The groups assigned to the %angro)e areas -ere assigned assigned to Santiago Santiago Island, located at
/.01/2 N, 1.100/2 +. The Santiago Island is &ound 1 /.3 % &ro% $agupan 'it*, o&& the coast o& Bolinao. The island is ad5acent to the Linga*en "ul& and the South 'hina Sea. The %angro)es in the area that -as assigned to the groups -ere situated on )er* dr* land a &e- %eters &ro% the shore and the residential area. (pon ad)ice o& the acco%pan*ing &acult*, the 6uadrat %ethod -as not used &or sa%pling in the said area. A 7 %eter transect line -as %ade using a plastic t-ine prior to departure d eparture to Bolinao, Pangasinan. The transect line -as %ared using an electric tape at 7 c% inter)als, as -ell as at e)er* %eter inter)al 8* using a gold *arn. A !9%inute 8oat ride -as re6uired to reach the assigned sa%pling site :site ;<. $uring the &ield-or, the transect line -as laid do-n at three rando%, reasona8l* distant positions on the %angro)e sa%pling site in order to assess the area. rganis% occurrences -ere noted &or co %putation o& indices o& di)ersit* and do%inance.
Figure 1. Santiago Island
Results
Group 2 Species Count 8 6 4 2 0
Site 1
Site 2
Site 3
Species 1
Species 2
Species 3
Species 4
Species 5
Species 6
Figure 1. $ata gathered 8* another group :;< assigned to the %angro)e area. Mangro)es are
assigned species . Species ;, 0, and 4 di&&erent plants -hich -ere not identi&ied. Species ! are the ipil9ipil plants and species / are *ello- 8utter&lies.
Group 8 Species Count 14 12 10 8 6 4 2 0
Trans ect 1 Mangrove
Transect 2 Grass
Oregano
Trans ect 3 Porites
Starfsh
Figure . $ata gathered 8* group #. As -ith the pre)ious graph, organis%s -ere counted and
-ere recorded and -as graphed to 8etter )isuali=e. Both graphs sho- that %angro)es are the %ost plenti&ul organis% in the area.
Total Species Occurences in the Area 40 35 30
35
25 20 15 10
15
5
6
5
0
1
1
2
1
3
1
Figure !. )erall count &or organis%s &ound in the sa%pling area, totaling to / transect lines
used &or the sa%pling.
"a#le 1. Anal*sis o& the data gathered. The species 8et-een the / sa%plings -ere co%pared. A
co%puted p9)alue o& 7.3; is sho-n in the ta8le. !O" Source of Variati on #et$e en Groups (ithin Groups Tota)
SS
df
MS
F
P-value
F crit
0&5'1% 81
0&'210 %6
2&386 0'
1%&'33 33
5
3&%466 6'
3'2&6
54
6&%
3%2&33 33
5%
"a#le . $i)ersit* o& do%inance indices o& the area. Si*pson+s in,e- . Su**ation o/ P2 Si*pson+s in,e- o/ ,iversit . 1 S Shannon+s n,e- . Su**ation o/ P)nP
Dis$ussion
0.312 0.688 3.110
A&ter data -as co%pared and e>changed, the %angro)e groups co%puted the o)erall Si%pson?s Inde> o& $i)ersit*, -hich is an inde> o& do%inance and di)ersit* -here the closer it is to , the %ore di)erse the species in an area, and Shannon?s Inde>, also an inde> o& di)ersit* -here the closer it is to 4, the %ore rich and e)en the species are in an area. A Si%pson?s Inde> o& $i)ersit* o& 7./## -as co%puted, indicating that the area -as di)erse. Indicated 8* the co%puted Shannon?s inde> o& 0.7 is the area?s richness and di)ersit* :ta8le ;<. The %ost do%inant species -as the %angro)e. Better anal*sis and co%parison o& the %angro)e areas in Bolinao could?)e 8een done 8ut all o& the %angro)e groups -ere assigned to the sa%e area at Santiago Island. The species &ro% the / di&&erent sa%plings@replicates -ere also co%pared. A p9 )alue o& 7.3;, co%puted using ANA, denotes that at 1! con&idence inter)al, the %eans o& the species in the / replicates -ere not signi&icantl* di&&erent.
Supplementar% Materials
"a#le !. Ra- data &or ANA SMM7 Groups 7o$ 1 7o$ 2 7o$ 3 7o$ 4 7o$ 5 7o$ 6 !O" Source of Variation #et$een Groups (ithin Groups Tota)
Count
Sum
10 10 10 10 10 10 SS
13 22 14 10 4 ' df
1%&'33 33 3'2&6
5 54
3%2&33 33
Averag e 1&3 2&2 1&4 1 0&4 0&'
Variance 10&23333 20&62222 4&26666' 4&66666' 0&48888% 1&122222
MS
F
P-value
F crit
3&%466 6' 6&%
0&5'1% 81
0&'210 %6
2&386 0'
5%
"a#le &. Total species count &or the area assigned on Santiago Island. Ma ng
Gra ss
Or eg
Po ri
St ar
Sp 2
Sp 3
Sp 4
Ip il
ttr !"
TOT A#
G8# 1 G8# 2 G8# 3 G2# 1 G2# 2 G2# 3 TOT A#
10
3
0
0
0
0
0
0
0
0
13
13
8
0
1
0
0
0
0
0
0
22
4
4
5
0
1
0
0
0
0
0
14
'
0
0
0
0
1
0
0
1
1
10
0
0
0
0
0
0
1
1
2
0
4
1
0
0
0
0
0
1
2
3
0
'
35
15
5
1
1
1
2
3
6
1
'0
"a#le &. 'o%putation &or Si%pson?s Inde> o& $i)ersit* and Shannon?s Inde>, -here the
su%%ation o& 9P; is Si%pson?s Inde> o& $i)ersit* and the su%%ation o& PlnP is the Shannon?s Inde>. n 35&000
n$% 359'0
P 0&500
p&2 0&250
15&000
159'0
0&214
0&046
Orega no Porite s Star(s h SP2 G2 SP3 G2 SP4 G2 Ipil Ipil
5&000
59'0
0&0'1
0&005
1&000
19'0
0&014
0&000
1&000
19'0
0&014
0&000
1&000
19'0
0&014
0&000
2&000
29'0
0&02%
0&001
3&000
39'0
0&043
0&002
6&000
69'0
0&086
0&00'
utter !" TOTA#
1&000
19'0
0&014
0&000
)0
1.00 0
1.00 0
0.31 2
Mangr o'e Grass
lnP
PlnP
1&386 3&081 5&2'8 8&4%' 8&4%' 8&4%' '&111 6&300 4&%13 8&4%' 1.16 *28
0&6%3 0&660 0&3'' 0&121 0&121 0&121 0&203 0&2'0 0&421 0&121 + 3.11 0
