Managing sediment dynamics through reintroduction of tidal flow for mangrove restoration in abandoned aquaculture ponds

Sidik, Frida; Kusuma, Denny Wijaya; Priyono, Bayu; Proisy, Christophe; Lovelock, Catherine E.

doi:10.1016/b978-0-12-816437-2.00004-5

Cited by 4 publications

(6 citation statements)

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“…The catchment is a complex zone with rice fields, active and abandoned aquaculture ponds, and mangrove forests. Perancak Estuary has minerogenic settings with alluvial platforms and a well-mixed diurnal tidal range [33,36].…”

Section: Site Descriptionmentioning

confidence: 99%

“…fields, active and abandoned aquaculture ponds, and mangrove forests. Perancak Estuary has minerogenic settings with alluvial platforms and a well-mixed diurnal tidal range [33,36]. Despite monoculture plantation of Rhizophora spp., recent observation showed that there are at least 21 true mangrove species found in Perancak Estuary [29].…”

Section: Site Descriptionmentioning

confidence: 99%

“…Porewater salinity is a major driver of mangrove productivity and spatial distribution due to the species-specific salinity tolerance of mangrove species [40]. Seasonal variability of porewater salinity is influenced by the infiltration of inundated fresh water, water residence time, and water replacement dynamics, with porewater salinity levels similar to that of seawater during the dry season and to that of fresh water during the rainy season [33,36,63]. As the pond walls in restored mangroves were damaged, we found that the water inundation level during high tide or high rainfall events was higher than intact forests, which may explain the higher variability of porewater salinity in restored forests.…”

Section: Mangrove Litterfall and Its Affecting Factorsmentioning

confidence: 99%

“…in abandoned ponds may contribute to the settlement of native mangrove seedlings by the above mechanisms, in which young Rhizophora stands act as the early successional vegetation in planted abandoned ponds and resulting in heterogeneous mangrove stands coexistence after >10 years of restoration program as displayed by their litterfall species composition in Figure 4. On the other hand, the structure of damaged pond walls in restored mangroves, which has a similar function to permeable breakwaters, may assist sediment accumulation and establishment of mangrove seedlings in restoration sites [33,75].…”

Section: Mangrove Litterfall and Its Affecting Factorsmentioning

confidence: 99%

“…The abandoned ponds were then either planted by Rhizophora spp. seedlings or left bare [30][31][32] and naturally revegetated after pond walls were damaged [33]. As result, the mangrove area in Perancak Estuary was expanded from 55 ha to 125 ha between 2007 and 2015 [30].…”

Section: Introductionmentioning

confidence: 99%

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Litterfall and Associated Macrozoobenthic of Restored Mangrove Forests in Abandoned Aquaculture Ponds

et al. 2022

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Mangrove restoration projects are now widely established, aiming to regain the carbon benefit of the mangrove ecosystem that is essential for climate change mitigation. This study aimed to investigate mangrove litter as the source of carbon in restored mangrove forests in Perancak Estuary, Bali, Indonesia, which previously experienced substantial mangrove loss due to shrimp aquaculture development. We assessed the production and decomposition of mangrove litter and associated macrozoobenthic biodiversity in restored forests with plantation age ≥14 years and intact mangrove forests as the reference. The monthly production of three groups of mangrove litter (leaf, reproductive, and wood) was assessed over 12 months. A leaf litter decomposition experiment was performed to inspect the interspecific and disturbance history variation in organic matter formation among four major mangrove species: Rhizophora apiculata, Bruguiera gymnorhiza, Avicennia marina, and Sonneratia alba. Our results showed that annual litterfall production from restored and intact mangroves in Perancak Estuary were 13.96 and 10.18 Mg ha−1 year−1, which is equivalent to approximately 6282 and 4581 kg C ha−1 year−1 of annual litterfall carbon sink, respectively. Although restored mangroves had significantly higher plant litterfall production than intact mangroves, no significant difference was detected in leaf litter decomposition and macrozoobenthic biodiversity between these forest types.

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Section: Site Descriptionmentioning

confidence: 99%

Section: Site Descriptionmentioning

confidence: 99%