Abstract
Changes land use in the super-wet tropical rainforest area has resulted in changes pattern of soil fauna food webs that show the diversity of ecosystems. Various soil biodiversity studies tend to prioritize the diversity of soil fauna, without examining how changes in the pattern of food flow are running. The results showed that the abundance of the highest number of functional individuals of soil fauna in each type of land was predator. The diversity of functional types of soil fauna in forest and mixed gardens is also dominated by predators and on open area types and monoculture gardens dominated by herbivorees. While the parasitoid and detritivore groups were spread evenly on each type of land. This shows that the pattern of food webs in each land type of super wet tropical rainforest area reaches a balance in the type of forest and mixed gardens and begins to be disrupted in open area and monoculture gardens. The highest trophic level of food webs is the main controller of ecosystem balance. Changes in vegetation type of land in super wet tropical rain forest area will cause fragmentation of functional habitat of soil fauna which causes imbalance of energy flow in food webs.
Highlights
The main purpose of soil ecology is to understand population dynamics and soil fauna communities
The degradation of the abundance of soil fauna will affect the functioning of ecosystems in each type of land, where the level of evenness of soil fauna will be disrupted resulting in some soil fauna dominating on a land type
Functional soil fauna reflects the condition of the ecosystem of a land, where the presence of soil fauna is important to understand from the aspect of its nutritional type function
Summary
The main purpose of soil ecology is to understand population dynamics and soil fauna communities. This might help in visualizing the main relationships between soil fauna species [1]. The aim of most soil food webs is to understand the effects of soil fauna communities on the decomposition process and nutrient cycle [2]. Higher trophic levels in soil food webs can play a role that suppresses the spread of plant parasites and influences nutrient dynamics by modifying the abundance of consumers of soil fauna. The majority of soil fauna living on the soil surface for most of their lives and associated with trophic ecology of soil fauna shows that they are important members of the food web and affect the functioning of soil ecosystems [7]
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