Hong Kong’s mangrove biodiversity and its conservation within the context of a southern Chinese megalopolis. A review and a proposal for Lai Chi Wo to be designated as a World Heritage Site

Morton, Brian

doi:10.1016/j.rsma.2016.05.001

Cited by 9 publications

(5 citation statements)

References 39 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This condition is due to the anchored and tight root forms of Rhizophora sp., which also causes substrate formation (Ortega-Pacheco et al 2018). These roots allow the excellent capturing process of dust particles in Rhizophora sp (Morton 2016). When a backflow exists, the dust particles are blocked by the roots.…”

Section: Sediment Characteristicsmentioning

confidence: 99%

Ecological Assessment of the Role of Mangrove Trees in Carbon Sequestration and Biodiversity In Karimunjawa National Park Indonesia

Halim,

Soeprobowati,

Hadiyanto

2023

GES

View full text Add to dashboard Cite

Mangrove ecosystem has an important role in reducing carbon in the environment. There has been massive conversion of mangrove area into ponds and buildings in the current period. Therefore, the species diversity and carbon sequestration capacity of the mangrove ecosystem must be evaluated to monitor its function. This research aims to evaluate the species diversity and the sequestered carbon in the mangrove ecosystem of Karimunjawa National Park (KNP), Indonesia. The species analysis in the 3 research sites, 9 transects, and 27 plots (10 m × 10 m) that was obtained using the quadrat sampling method. Allometric equations, Shannon–Wiener, and evenness indices were used to estimate the standing biomass and carbon, species diversity, and distribution, respectively. The sediment samples were obtained at a depth of 100 cm and divided into three depths, namely, 0–33, 34–67, and 68–100 cm. The carbon content of mangrove sediments was analyzed in the laboratory using the Walkley–Black method. The results revealed that mangroves in the KNP have moderate diversity and even distribution. The estimated carbon in the mangrove stand was 146.22 t C ha–1 and the estimated carbon stock in the sediment was around 360.61 t C ha–1. Although the mangrove ecosystem in Karimunjawa National Park is still in a stable condition, it is necessary to monitor its changes due to the anthropogenic activities.

show abstract

Section: Sediment Characteristicsmentioning

confidence: 99%

Ecological Assessment of the Role of Mangrove Trees in Carbon Sequestration and Biodiversity In Karimunjawa National Park Indonesia

Halim,

Soeprobowati,

Hadiyanto

2023

GES

View full text Add to dashboard Cite

show abstract

“…The Ting Kok (22° 28' N, 114° 13' E) mangrove site is situated on the eastern coast of Hong Kong, within the Tolo Harbour, a poorly flushed bay that regularly experiences hypoxia during the summer (Tong et al 2006). Its mangrove cover of ~ 8.8 ha comprises seven of the eight true mangrove species occurring in Hong Kong, of which Kandelia obovata dominates the species composition (Morton 2016). For this study, four qualitatively distinct habitats were identified for field sampling and environmental characterization.…”

Section: Study Areamentioning

confidence: 99%

Fine scale environmental variability and physiological tolerance influence invertebrate larval communities from a human-impacted mangrove in Hong Kong

et al. 2022

View full text Add to dashboard Cite

Macroinvertebrates that rely on a supply of planktonic larvae for recruitment play a significant role in maintaining productivity in mangrove ecosystems. Thus, identifying the spatial distribution and physiological limitations of invertebrate larval communities within mangroves is important for targeted conservation efforts to maintain population persistence amid the threat of climate change. Here, the role of spatial, lunar, and environmental factors in structuring invertebrate larval communities in Ting Kok, the second largest mangrove forest in Hong Kong, was examined. Results indicate that, spatially, invertebrate larval communities were influenced by environmental filtering, habitat type, and the lunar tidal cycle. This indicates the fundamental role of habitat heterogeneity and connectivity for the transport, distribution, and development of crustacean larvae. Larvae of key sesarmids exhibited metabolic depression at water temperatures forecasted to be regularly experienced by the year 2050, according to current climate projections. The impacts of climate change, coupled with habitat destruction and degradation of hydrological connectivity, make larval communities increasingly vulnerable to mass-mortality and displacement. This places ecosystem productivity and functionality at risk through cascading negative effects of recruitment limitation. Further focus on this subject will help disentangle the effects of process rates and scales of transport that underlie community assemblages in mangrove systems. Furthermore, identifying physiological bottlenecks of key taxa and habitat provisioning that enhance larval survival will be helpful to prioritize strategies for conservation management in dynamic intertidal settings.

show abstract

“…The area is a complex landscape with a variety of wetlands (e.g., commercial fishponds, mangrove, and intertidal mudflats) and urban settlements. This area has been under high pressure for housing development ( Morton, 2016 ; Young, 1998 ) and wetlands have declined by 53% between 1986 and 2007 ( Ren et al, 2010 ). Among wetland types, commercial fishponds are particularly vulnerable because most are located outside the designated Ramsar site and have limited legal protection against development.…”

Section: Introductionmentioning

confidence: 99%

Spatial ecology of little egret (Egretta garzetta) in Hong Kong uncovers preference for commercial fishponds

Pang

Sung²,

Chung³

et al. 2020

PeerJ

View full text Add to dashboard Cite

Many natural wetlands have been converted to human-influenced wetlands. In some instances, human-influenced wetlands could provide complementary habitats for waterbirds, compensating for the loss of natural wetlands. Inner Deep Bay in Hong Kong is composed of both natural and human-influenced wetlands and is under immense development pressure. From an ecology perspective, we need to understand if different wetland types play the same ecological role. To achieve this, we tracked nine little egrets (Egretta garzetta) using GPS loggers for 14 months to study their spatial ecology, home range, movement and habitat use. We found that over 88% of the home range of all individuals comprised of wetlands (commercial fishponds, mangrove, gei wai, channel, and intertidal mudflat). Among these wetland types, nearly all (seven of nine) individuals preferred commercial fishponds over other habitats in all seasons. Little egrets exhibited seasonal movement and habitat use among seasons, with largest home range, greatest movement, and most frequent visits to commercial fishponds in winter compared to spring and autumn. Our results highlight the significant role of commercial fishponds, providing a feeding ground for little egrets. However, other wetland types cannot be ignored, as they were also used considerably. These findings underscore the importance of maintaining a diversity of wetland types as alternative foraging and breeding habitats.

show abstract

Hong Kong’s mangrove biodiversity and its conservation within the context of a southern Chinese megalopolis. A review and a proposal for Lai Chi Wo to be designated as a World Heritage Site

Cited by 9 publications

References 39 publications

Ecological Assessment of the Role of Mangrove Trees in Carbon Sequestration and Biodiversity In Karimunjawa National Park Indonesia

Ecological Assessment of the Role of Mangrove Trees in Carbon Sequestration and Biodiversity In Karimunjawa National Park Indonesia

Fine scale environmental variability and physiological tolerance influence invertebrate larval communities from a human-impacted mangrove in Hong Kong

Spatial ecology of little egret (Egretta garzetta) in Hong Kong uncovers preference for commercial fishponds

Contact Info

Product

Resources

About