| Summary: | This research has been done in Delta Mahakam ecosystem in April 2008.
The aims were to observe, analyze and evaluate the abiotic, biotic and socio-
cultural variables, their effect and relations with primary productivity and
implemented �case two water� primary productivity based developed model for
this area of interest.
Primary productivity model used is case 2 waters Photosynthetic
Available Radiation based Primary Productivity model developed by Asanuma
(2002) and further developed by submitting Total Suspended Matter (TSM) as
new variable. Data used are includes TERRA and AQUA remotely sensed data
and in situ data for validation purposes. Satellites data were processed using ENVI
and ER MAPPER software and interpreted as well as analyzed using SeaDAS and
IDL. The correlation between the in situ data and the derived satellites data with
primary productivity, also between the in situ primary productivity to the model
based primary productivity were analysed by Multiple Regression Analysis using
SPSS 16.0.
The results showed that all water quality variables values are within
optimal range except TSM as it tends to increase. The socio-cultural observation
showed an increase of conflicts in the society and mostly closely related to the
increase of interest in resources utilizations. All observed variables has affected
the condition of primary productivity which relatively low in status
(mesothrophic). The correlation between the in situ based and model based
primary productivity showed coefficient correlation of 70 percents, while all
variables effect the primary productivity significantly. The model has proven that
the Delta Mahakam ecosystem ecospatially has degraded in its quality. Thus, it is
suggested that the local Government still in need to slower the environmental
degradation processes for longer sustainability of the resources in Delta Mahakam
coastal area.
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