Strong resilience of a system usually enables the protection of a status quo. Most resilience studies assume that resilience-building is the central objective of sustainability work. Even though transformation has become a central theme in development and social-ecological debates, questions surrounding the weakening resilience of undesired system states are rarely analyzed. We suggest that resilience studies not only serve to protect systems and feedbacks we want to maintain, but may also help to understand and overcome chronic, undesirable,-and thus wicked-resilience. This contribution focuses on reef fisheries in the Spermonde Island Archipelago in Indonesia, based on social and ecological studies between 2004 and 2016. We identify a number of interlocking wickedly resilient vicious cycles as predominant drivers of the impoverishment of fishing households and the overexploited, polluted and degraded state of the coral reefs that fishers' livelihoods depend on. We argue that, more often than not in the Anthropocene, breaking resilience has a central role in the pursuit of sustainable human-nature relations. Therefore, the link between the resilience and the transformation debates needs to be much more explicitly made. Breaking interlocking, wicked resilience at multiple levels is needed to move toward sustainable human-nature relations from the local to the global level. There are lacunae in debate, literature, and research practice as to when, where and how wicked resilience might need to be weakened. A more complete resilience lens is particularly needed under Anthropocene conditions to support the unmaking of chronically resilient, anthropogenic systems.
Blue swimming crab (Portunuspelagicus) is aeconomical valuable fisheries importantcommodity due to the high demand and availability jobs created for the fishermen. Due to their high demand blue swimming crab heavily exploited from Salemo Island. This study aimed at comparing the sex ratio and the size at first maturity of blue swimming crab caught in mangrove ecosystems, coral reefs, and seagrass. Sex ratio was analyzed using chi square test and the size at first maturity was analyzed using the Spearman-Karber formula. The results showed the sex ratio ofmales and femalessmall crab caught in every ecosystem is balanced. The size at first maturity of blue swimming crab caught in mangrove, seagrass and coral reefs, each to the male 81,08 mm, 102,36 mm and 102,87 mm in width and size of female 94,54 mm, 83,35 mm, 98,31 mm width. In a reference to government regulations, the blue male swimming crab caught in the coral reef and seagrass ecosystems have yet to size at first maturity is allowed to be captured. Keywords: blue swimming crab, sex ratio,size at first maturity, Salemo Island
Coastal is an area that vulnerable to change, especially along the shoreline. The changes can occur in the form of abrasion and or accretion. Many factors could be the causes of shoreline changes; one of them is the existence of a mangrove ecosystem. Physically, the function of the mangrove ecosystem is to protect the coastal area from the wave, which can cause an abrasion. It also functions as a sediment trap, which leads to the accretion. The aim of this research is to know the relationship between the existence of mangrove and the shoreline changes along with the Takalar Regency. This research was comparing two years of Landsat Imagery (1998 and 2018) to map the mangrove and the shoreline. The shoreline changes were analyzed using the Digital Shoreline Analysis System (DSAS) application. Meanwhile, the mangrove density was analyzed using the Normalized Difference Vegetation Index (NDVI) analysis. Results show that for 20 years, shoreline changes caused by abrasion was 147,03 m or 7,38 m/year, and changes caused by accretion was 135,34 m or 6,79 m/year. Mangrove area has increased 63,76 Ha along the Takalar Regency shoreline during these 20 years. The relationship analysis between shoreline changes with mangrove density was done using regression analysis. The coefficient regression shows a positive relation, which means there were influences between shoreline changes and mangrove density, but the significant value was 0,25, bigger than 0,05, which indicates there is another significant factor that is more affected the Takalar Regency shoreline beside the mangrove density.
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