CALIDAD
AMBIENTAL DEL LITORAL DE PUERTO MALABRIGO
Marzo
2003
Composición específica del macrozoobentos
intermareal arenoso de Puerto
Malabrigo.
|
TAXON |
POLYCHAETA |
MOLLUSCA |
CRUSTACEA |
NEMERTEA |
|
Nª |
|
|
|
|
|
1 |
Lumbrineris
sp. |
Donax
sp. |
Callinetes
arcuatus |
Nemertinea
1 |
|
2 |
Chaeptoterus
sp. |
|
Emerita
análoga |
Nemertinea
2 |
|
3 |
Dinophilidae |
|
Penaeus
sp. |
|
|
4 |
Glycera
americana |
|
Excirolana
braziliensis |
|
|
5 |
Nephtys
sp. |
|
Gammarus
sp. |
|
|
6 |
Nereis
sp. |
|
Lepidopa
chilensis |
|
|
7 |
Paraprionospio
pinnata |
|
Ocypode
gaudichaudii |
|
|
8 |
Scololepis
sp. |
|
Pinixa
transversalis |
|
|
Especie |
Abundancia |
Densidad |
||
|
|
n |
% |
ind./m2 |
% |
|
Emerita
análoga |
2 |
52.65 |
212 |
52.65 |
|
Lepidopa
chilensis |
1 |
15.22 |
61 |
15.22 |
|
Excirolana
braziliensis |
0.3* |
8.66 |
35 |
8.66 |
|
Ocypode
gaudichaudii |
0.2* |
6.28 |
25 |
6.28 |
|
Nephtys
sp. |
0.1* |
3.91 |
16 |
3.91 |
|
Dinophilidae |
0.1* |
3.49 |
14 |
3.49 |
|
Nemertinea1 |
0.1* |
2.23 |
9 |
2.23 |
|
Donax
sp. |
0.1* |
1.82 |
7 |
1.82 |
|
Scololepis
sp. |
0.05* |
1.26 |
5 |
1.26 |
|
Gammarus
sp. |
0.03* |
0.84 |
3 |
0.84 |
|
Nemertinea2 |
0.03* |
0.70 |
3 |
0.70 |
|
Penaeus
sp |
0.03* |
0.70 |
3 |
0.70 |
|
Lumbrineris
sp. |
0.03* |
0.70 |
3 |
0.70 |
|
Paraprionospio
pinnata |
0.02* |
0.56 |
2 |
0.56 |
|
Nereis
sp. |
0.02* |
0.42 |
2 |
0.42 |
|
Pinixa
transversalis |
0.01* |
0.14 |
1 |
0.14 |
|
Callinetes
arcuatus |
0.01* |
0.14 |
1 |
0.14 |
|
Chaeptoterus
sp. |
0.01* |
0.14 |
1 |
0.14 |
|
Glycera
americana |
0.01* |
0.14 |
1 |
0.14 |
|
Total
individuos |
4 |
100 |
403 |
100 |
*presencia de un individuo en tres réplicas
Composición específica
del macrozoobentos intermareal
arenoso de Puerto Malabrigo.
|
TAXON |
POLYCHAETA |
MOLLUSCA |
CRUSTACEA |
NEMERTEA |
|
Nª |
|
|
|
|
|
1 |
Dinophilidae |
Donax
sp. |
Callianasa
sp. |
Nemertinea1 |
|
2 |
Lumbrineris
sp. |
|
Emerita
análoga |
Nemertinea2 |
|
3 |
Nephtys
sp. |
|
Excirolana
braziliensis |
|
|
4 |
Glycera
americana |
|
Gammarus
sp. |
|
|
5 |
|
|
Lepidopa
chilensis |
|
|
6 |
|
|
Ocypode
gaudichaudii |
|
|
7 |
|
|
Pinixa
transversalis |
|
|
Especies |
Abundancia |
Densidad |
||
|
|
n |
% |
Ind./m2 |
% |
|
Emerita
análoga |
1 |
74.59 |
77 |
74.59 |
|
Dinophilidae |
0.05* |
4.90 |
5 |
4.90 |
|
Excirolana
braziliensis |
0.05* |
4.72 |
5 |
4.72 |
|
Nephtys
sp. |
0.04* |
4.36 |
5 |
4.36 |
|
Lumbrineris
sp. |
0.03* |
3.09 |
3 |
3.09 |
|
Lepidopa
chilensis |
0.02* |
1.81 |
2 |
1.81 |
|
Nemertinea2 |
0.02* |
1.81 |
2 |
1.81 |
|
Nemertinea1 |
0.02* |
1.63 |
2 |
1.63 |
|
Pinixa
transversalis |
0.01* |
1.27 |
1 |
1.27 |
|
Glycera
americana |
0.01* |
0.91 |
0.4 |
0.91 |
|
Gammarus
sp. |
0.005* |
0.36 |
0.4 |
0.36 |
|
Donax
sp. |
0.002* |
0.18 |
0.2 |
0.18 |
|
Ocypode
gaudichaudii |
0.002* |
0.18 |
0.2 |
0.18 |
|
Callianassa
sp. |
0.0020* |
0.18 |
0.2 |
0.18 |
|
Total |
1 |
100 |
103 |
100 |
*presencia de un individuo en tres réplicas
2. Plancton
Promedios de volúmenes de plancton superficial. Red estándar de fitoplancton. En Puerto Malabrigo, La Libertad - 2005
3. Parámetros hidrográficos
Temperatura
superficial del agua (°C)
Oxígeno disuelto (fondo) (ml/L)
5. Nutrientes
Temperatura, salinidad y oxígeno disuelto superficial en el mar en Puerto Malabrigo, La Libertad.
|
|
Temperatura superficial |
Salinidad superficial |
Oxígeno superficial |
||||||
|
|
Prom |
Mín |
Máx |
Prom |
Mín |
Máx |
Prom |
Mín |
Máx |
|
Mar-03 |
17.2 |
16.9 |
17.9 |
35.038 |
35.023 |
35.080 |
3.81 |
1.96 |
5.24 |
|
Jun-03 |
15.9 |
15.5 |
16.4 |
35.033 |
35.012 |
35.070 |
1.38 |
0 |
3.15 |
|
Ene-04 |
17.4 |
17.2 |
17.8 |
35.047 |
35.017 |
35.118 |
2.40 |
0.17 |
3.16 |
|
May-04 |
15.7 |
15.2 |
16.1 |
35.000 |
34.977 |
35.019 |
0.95 |
0 |
2.43 |
|
Ago-04 |
15.1 |
14.8 |
15.6 |
35.041 |
35.015 |
35.087 |
2.06 |
1.36 |
3.28 |
|
Dic-04 |
17.2 |
16.3 |
18.4 |
35.140 |
35.082 |
35.217 |
3.66 |
1.96 |
5.29 |
|
Abr-05 |
16.9 |
16.4 |
18.3 |
34.856 |
34.824 |
34.891 |
2.43 |
0.77 |
3.41 |
|
Jun-05 |
15.8 |
15.5 |
16.1 |
34.833 |
34.800 |
34.870 |
1.74 |
1.02 |
2.39 |
|
Jul-05 |
15.8 |
15.2 |
16.2 |
35.031 |
35.010 |
35.068 |
3.83 |
1.89 |
5.52 |
|
Ago-05 |
16.0 |
15.7 |
16.3 |
s/d |
s/d |
s/d |
3.57 |
2.67 |
4.76 |
|
Sep-05 |
15.2 |
14.6 |
15.8 |
35.083 |
35.025 |
35.145 |
5.72 |
3.12 |
8.65 |
|
Oct-05 |
15.1 |
14.5 |
15.6 |
35.010 |
34.956 |
35.129 |
2.69 |
1.35 |
3.93 |
|
Nov-05 |
15.2 |
14.8 |
15.6 |
34.926 |
34.892 |
34.987 |
2.25 |
1.07 |
3.95 |
|
Dic-05 |
15.2 |
14.5 |
15.9 |
34.949 |
34.903 |
34.986 |
1.98 |
0.82 |
3.22 |
|
Dic-05 |
16.7 |
15.7 |
17.1 |
34.939 |
34.918 |
34.969 |
2.64 |
1.46 |
4.18 |
Temperatura, salinidad y oxígeno disuelto a nivel de fondo en el mar en Puerto Malabrigo, La Libertad.
|
|
Temperatura en fondo |
Salinidad en fondo |
Oxígeno en fondo |
||||||
|
|
Prom |
Mín |
Máx |
Prom |
Mín |
Máx |
Prom |
Mín |
Máx |
|
Mar-03 |
16.6 |
16 |
17.1 |
35.041 |
35.031 |
35.061 |
2.16 |
0.26 |
3.66 |
|
Jun-03 |
15.5 |
15.3 |
15.9 |
35.039 |
35.028 |
35.059 |
0.76 |
0 |
2.01 |
|
Ene-04 |
16.9 |
16.5 |
17.5 |
35.023 |
35.005 |
35.065 |
1.28 |
0 |
2.30 |
|
May-04 |
15.2 |
14.5 |
15.9 |
34.991 |
34.979 |
35.007 |
0.48 |
0 |
1.36 |
|
Ago-04 |
14.8 |
14.3 |
15.4 |
35.031 |
35.011 |
35.074 |
1.27 |
0.21 |
3.07 |
|
Dic-04 |
16.1 |
15.6 |
16.8 |
35.168 |
35.063 |
35.258 |
1.49 |
0.26 |
4.69 |
|
Abr-05 |
16.2 |
15.5 |
16.8 |
34.885 |
34.828 |
34.943 |
1.43 |
0.08 |
2.85 |
|
Jun-05 |
15.5 |
15.2 |
15.8 |
34.890 |
34.821 |
34.990 |
0.59 |
0 |
1.44 |
|
Jul-05 |
15.4 |
14.9 |
16.1 |
35.030 |
35.003 |
35.060 |
2.01 |
0.44 |
4.54 |
|
Ago-05 |
15.4 |
15 |
16.3 |
s/d |
s/d |
s/d |
1.41 |
0.15 |
4.76 |
|
Sep-05 |
14.9 |
14.6 |
15.6 |
35.082 |
35.051 |
35.182 |
3.59 |
0.75 |
6.78 |
|
Oct-05 |
14.6 |
14.2 |
15.5 |
35.028 |
34.955 |
35.376 |
1.63 |
0.58 |
3.78 |
|
Nov-05 |
14.6 |
14.2 |
15.4 |
34.933 |
34.901 |
35.105 |
1.10 |
0.10 |
3.88 |
|
Dic-05 |
14.4 |
14.1 |
15.2 |
34.965 |
34.895 |
35.199 |
0.51 |
0.05 |
1.43 |
|
Dic-05 |
15.5 |
15 |
16.1 |
34.947 |
34.921 |
34.976 |
0.72 |
0.15 |
1.50 |
Concentración de nutrientes en superficie del mar en Puerto Malabrigo, La Libertad.
|
|
Fosfatos |
Silicatos |
Nitratos |
Nitritos |
||||||||
|
|
Prom |
Mín |
Máx |
Prom |
Mín |
Máx |
Prom |
Mín |
Máx |
Prom |
Mín |
Máx |
|
Mar-03 |
3.03 |
2.44 |
3.68 |
19.96 |
13.53 |
26.60 |
7.94 |
3.70 |
10.67 |
2.40 |
1.73 |
3.11 |
|
Jun-03 |
4.35 |
1.20 |
20.32 |
27.76 |
24.33 |
35.50 |
13.12 |
5.45 |
15.98 |
2.56 |
1.71 |
3.62 |
|
Ene-04 |
2.53 |
1.77 |
3.01 |
13.96 |
7.35 |
17.16 |
12.99 |
10.56 |
16.88 |
1.15 |
0.36 |
2.01 |
|
May-04 |
5.32 |
2.09 |
23.09 |
25.65 |
18.05 |
34.46 |
5.58 |
0.17 |
16.97 |
0.98 |
0.27 |
2.21 |
|
Ago-04 |
2.92 |
2.57 |
3.38 |
19.56 |
13.28 |
22.74 |
14.65 |
9.94 |
18.14 |
1.98 |
1.48 |
2.54 |
|
Dic-04 |
1.61 |
1.00 |
2.38 |
16.45 |
6.94 |
25.43 |
2.31 |
0.67 |
7.12 |
0.43 |
0.23 |
0.64 |
|
Abr-05 |
3.48 |
1.70 |
9.79 |
20.72 |
10.20 |
29.16 |
12.63 |
5.88 |
17.88 |
1.22 |
0.38 |
1.95 |
|
Jun-05 |
2.90 |
2.02 |
4.92 |
31.13 |
19.05 |
40.27 |
11.18 |
6.88 |
16.07 |
2.02 |
0.80 |
3.19 |
|
Jul-05 |
2.47 |
1.93 |
3.31 |
18.96 |
12.91 |
23.02 |
8.10 |
4.22 |
12.65 |
1.35 |
0.98 |
1.81 |
|
Ago-05 |
5.29 |
2.53 |
9.52 |
28.07 |
13.63 |
33.77 |
15.95 |
8.69 |
18.80 |
1.03 |
0.54 |
1.38 |
|
Sep-05 |
2.62 |
1.06 |
3.45 |
23.23 |
15.80 |
31.96 |
11.89 |
7.54 |
15.81 |
0.59 |
0.24 |
1.00 |
Concentración de nutrientes a nivel de fondo del mar en Puerto Malabrigo, La Libertad.
|
|
Fosfatos |
Silicatos |
Nitratos |
Nitritos |
||||||||
|
|
Prom |
Mín |
Máx |
Prom |
Mín |
Máx |
Prom |
Mín |
Máx |
Prom |
Mín |
Máx |
|
Mar-03 |
2.90 |
2.44 |
3.25 |
18.75 |
15.89 |
24.33 |
9.41 |
7.30 |
14.02 |
1.99 |
1.11 |
2.55 |
|
Jun-03 |
4.24 |
1.91 |
22.04 |
26.98 |
19.43 |
34.14 |
14.36 |
3.20 |
20.00 |
2.22 |
1.40 |
2.91 |
|
Ene-04 |
2.01 |
1.77 |
2.34 |
10.89 |
7.26 |
14.71 |
11.36 |
9.68 |
13.67 |
0.81 |
0.52 |
1.05 |
|
May-04 |
4.53 |
2.38 |
25.47 |
26.59 |
18.75 |
34.20 |
8.63 |
0.03 |
19.66 |
1.86 |
0.86 |
3.57 |
|
Ago-04 |
2.91 |
2.38 |
3.86 |
18.59 |
13.71 |
23.44 |
14.58 |
8.92 |
18.32 |
1.74 |
1.15 |
2.48 |
|
Dic-04 |
1.81 |
1.14 |
2.52 |
15.99 |
5.90 |
27.34 |
2.50 |
0.80 |
4.70 |
0.51 |
0.23 |
0.76 |
|
Abr-05 |
3.06 |
1.65 |
7.45 |
22.64 |
13.72 |
33.77 |
12.83 |
3.47 |
16.92 |
1.20 |
0.56 |
2.27 |
|
Jun-05 |
3.24 |
1.75 |
6.67 |
31.04 |
17.06 |
45.96 |
11.45 |
4.49 |
17.83 |
1.80 |
0.88 |
2.83 |
|
Jul-05 |
5.24 |
1.93 |
22.99 |
16.56 |
10.93 |
22.84 |
8.08 |
5.07 |
12.92 |
1.30 |
0.80 |
1.81 |
|
Ago-05 |
3.57 |
2.39 |
6.07 |
26.51 |
9.75 |
33.05 |
15.84 |
7.46 |
18.81 |
0.75 |
0.22 |
1.40 |
|
Sep-05 |
2.87 |
1.06 |
7.17 |
21.52 |
14.63 |
32.50 |
12.34 |
7.20 |
15.53 |
0.50 |
0.20 |
0.88 |
6. Transparencia del agua
7. Estado de salud del sedimento
Elaborado por:
Javier Castro
Wilmer Carbajal
Paquita Ramírez
Sergio Bances
Pagina Principal Pagina Estudios Ambientales