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The research aims to study the food web and its role in Integrated Pest management in organic farming systems of rice plants in tidal land. The study was conducted on a tidal wetland. II study in using survey methods with 5 (five) treatment and 4 (four) replications. Treatments are a) Provision of manure, liquid organic fertilizer rich in N, P, and K as well as botanical pesticides applied with a dose of 2 ml/liter of water; b) Provision of manure, liquid organic fertilizer rich in N, P, and K as well as botanical pesticides applied with a dose of 4 ml/liter of water; c) Provision of manure, liquid organic fertilizer rich in N, P, and K as well as botanical pesticides applied with a dose of 6 ml/liter of water; d) Provision of manure, liquid organic fertilizer rich in N, P, and K without application of botanical pesticides; and e) Provision of manure and inorganic fertilizers and pesticides applied to the synthetic organic. Observed variable is the number of animals in each experimental plot. Data tabulated by function or "guilds" in accordance with the objectives of the study, made up of pests, predators, parasitoids, and other fauna, then made a graph of population growth of fauna and fauna diagram illustrating the relationship between food web. To determine the level of stability in the rice agroecosystem with organic farming systems use diversity index, species richness index, dominance index, and the similarity index. From the research results obtained are as follows a) At planting organic rice pest species found 9, 13 predator species, 9 species of parasitoids and four other fauna species, whereas the non-organic farming systems (using synthetic pesticides) found nine species of pests, 12 species of predators, five species of parasitoid and two other species of fauna; b) Fluctuations of animal populations in the development of organic rice crop is smaller than the non-organic rice cultivation; c)The all trophic levels found in the rice paddy planting organic and non organic; d) Ecosystem stability in the rice treated synthetic pesticides is lower than that without applied with pesticides; e) Applied organic rice cultivation with organic botanical pesticides with a concentration of 2 ml / l had a higher stability than that applied to the concentration of 4 ml / l and 6 ml / l.
Keyword : Community of Fauna, Organic Paddy, Botanical Pesticide
