Litter production and accumulation in stressed mangrove communities in the Embley River estuary, north-eastern Gulf of Carpentaria, Australia

Conacher, CA; O'Brien, Colleen; Horrocks, JL; Kenyon, RK

doi:10.1071/mf9960737

Cited by 20 publications

(8 citation statements)

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“…At all five forests, litter accumulation rates were rapid (48.8-70.4 Mg DW ha À1 yr À1 ) compared with measurements made in other mangrove forests (Conacher et al 1996, Schories et al 2003, Roy 2011, Abib and Appadoo 2012, and no other mangrove studies have measured rates of accumulation several times greater than litter fall as crabs and other detritivorous fauna ordinarily consume large amounts of litter (Cannicci et al 2008). The large standing stocks and accumulation rates of litter in the forest floor reflect not only high litter production but low detritivore numbers and also the fact that we have observed input of litter tidally advected from forests closer to the sea edge and piled as tidal lines within our plots.…”

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confidence: 87%

Rapid litter production and accumulation in Bornean mangrove forests

2013

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Abstract. Litter fall and accumulation were measured weekly for one year (January-December 2007) at five mangrove forests within the Apar-Adang Nature Reserve, East Kalimantan, Indonesia. Three forests were located near the sea edge, each co-dominated by combinations of Sonnertia alba, Rhizophora apiculata, and Bruguiera parviflora; two forests were co-dominated by Ceriops decandra, Exocoecaria agallocha, and Bruguiera sexangula (site IV), and by B. parviflora and B. sexangula (site V) and located further inland but subjected to intermittant freshwater inputs. Mean rates of annual litter production at forests I to V were 20. ), respectively, exhibiting peaks in the wet and dry seasons. Litter accumulation was greater than litter fall due to tidal advection of litter from forests closer to the sea edge coupled with slow decay rates. These rates of aboveground litter production and accumulation are the highest recorded for mangroves and higher than rates measured in tropical humid evergreen forests, suggesting that large expanses of equatorial mangrove forest, such as those on Borneo, may constitute an immense sink for coastal carbon.

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confidence: 87%

Rapid litter production and accumulation in Bornean mangrove forests

2013

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“…Mangrove litter fall are measured and the content of the litter is analysed. The range of the volume of the litter fall varies from species to species, habitat to habitat depending on the seasonal variations (Imbart and Menard 1997;Saenger 1998;Conacher et al 1996). Detritus contributes about 60 % of the primary production in the mangrove ecosystems.…”

Section: Mangrove Littermentioning

confidence: 99%

Estuarine Morphodynamics of the Sunderbans

Das¹

2015

Coastal Research Library

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The aim of this book series is to disseminate information to the coastal research community. The Series covers all aspects of coastal research including but not limited to relevant aspects of geological sciences, biology (incl. ecology and coastal marine ecosystems), geomorphol-ogy (physical geography), climate, littoral oceanography, coastal hydraulics, environmental (resource) management, engineering, and remote sensing. Policy, coastal law, and relevant issues such as conflict resolution and risk management would also be covered by the Series. The scope of the Series is broad and with a unique crossdisciplinary nature. The Series would tend to focus on topics that are of current interest and which carry some import as opposed to traditional titles that are esoteric and non-controversial. Monographs as well as contributed volumes are welcomed.More information about this series at

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“…forests. The mangrove surface area up to 1 m above the substrate in the Rhizophora community was about 250 times the surface area of mangrove in the Ceriops community and about 550 times that in the Avicennia community (Conacher et al 1996).…”

Section: Methodsmentioning

confidence: 99%

Distribution of juvenile penaeid prawns in mangrove forests in a tropical Australian estuary, with particular reference to Penaeus merguiensis

Vance

Haywood²,

Heales³

et al. 2002

Mar. Ecol. Prog. Ser.

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Several species of prawns, including juveniles of Penaeus merguiensis, will move into mangrove forests when the forests are inundated by flood tides. However, we do not know how extensively the prawns use the forests or whether some parts of the forests are more valuable to the prawns than others. We assessed the distribution of juvenile prawns in 3 different mangrove communities in intertidal forests adjacent to a small creek and a river in northern Australia between December 1993 and February 1995. The 3 mangrove communities were dominated, respectively, by the structurally complex Rhizophora stylosa, and the more open Ceriops tagal and Avicennia marina. We used stake nets (100 m long, 2 mm mesh) to sample discrete areas of the mangrove forests, and fyke nets (2 mm mesh) to sample prawns moving through the forests. The area of each stake net site ranged from 430 to 650 m 2 and the distance of the midpoint of each site inland from the creek or river mangrove fringe ranged from 13 to 225 m. A large size range of juvenile P. merguiensis (2 to 21 mm carapace length, CL) was caught in the mangroves and prawns were caught as far as 200 m into the forests. In the creek forest, there was no clear relationship between mangrove community type and prawn catches. The highest densities of P. merguiensis were recorded in the creek and were 28.1 and 27.6 prawns 100 m -2 in Rhizophora sp. and Ceriops sp. forest respectively. The highest mean catches were taken 59 m from the creek mangrove fringe. In contrast to the creek, in the river mangrove forest, there was a clear pattern of catches: the number of P. merguiensis caught decreased with distance into the mangroves and at shallower water depths. We have hypothesised that the distribution of juvenile P. merguiensis inside the mangroves depends largely on the local topography and pattern of water currents within each forest. Large numbers of unidentified Metapenaeus spp. and smaller numbers of M. ensis and P. monodon were also recorded from the samples inside the mangrove forests.

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Litter production and accumulation in stressed mangrove communities in the Embley River estuary, north-eastern Gulf of Carpentaria, Australia

Cited by 20 publications

References 0 publications

Rapid litter production and accumulation in Bornean mangrove forests

Rapid litter production and accumulation in Bornean mangrove forests

Estuarine Morphodynamics of the Sunderbans

Distribution of juvenile penaeid prawns in mangrove forests in a tropical Australian estuary, with particular reference to Penaeus merguiensis

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