Wood density in mangrove forests on the Brazilian Amazon coast

Virgulino-Júnior, Paulo César Costa; Gardunho, Danilo Cesar Lima; Silva, Diego N. C.; Fernandes, Marcus Emanuel Barroncas

doi:10.1007/s00468-019-01896-5

Cited by 11 publications

(3 citation statements)

References 57 publications

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“…Additionally, our estimated FRP was higher than the FRP in high-rainfall mangrove forests of Micronesia (0.46-1.17 t• ha −1 • yr −1 in 0-45 cm of soil depth by the ingrowth bag method; see [48]). Our high FRP supported the significant role of mangrove roots as a source of soil carbon stocks because FRP was positively related to the soil carbon [47], of which 25% was contributed by the mangrove roots [49].…”

Section: Growth Npp Estimation and Its Componentssupporting

confidence: 68%

Ten-Year Estimation of Net Primary Productivity in a Mangrove Forest under a Tropical Monsoon Climate in Eastern Thailand: Significance of the Temperature Environment in the Dry Season

Poungparn

Komiyama

Umnouysin

et al. 2020

Forests

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Mangrove forests play crucial roles in the coastal ecosystems of the tropics. Few studies have addressed long-term changes in the net primary productivity (NPP) of mangroves in relation to the tropical monsoon climate. We conducted a tree census from 2008 to 2018 in a permanent plot at a secondary mangrove forest under the tropical monsoon climate of Eastern Thailand. During this period, the mortality of fast-growing species and the increasing number of newly recruited trees revealed a temporal change in the plant composition and distribution. Total tree biomass linearly increased from 283.64 to 381.72 t·ha−1 during the study period. The NPP was calculated by using the summation method, which included fine root production. The NPP ranged from 21.19 to 29.04 t·ha−1·yr−1. The fluctuation in NPP and its components were analyzed in relation to climatic factors by the linear regression model. The NPP did not relate with the annual climatic factors, such as the mean temperature and annual rainfall. However, both increments in the basal area and living tree biomass, which is a major component of NPP, were negatively related with the maximum and mean monthly temperatures in the dry season. The annual mortality rate related positively with annual rainfall and the maximum monthly temperature in the dry season. Linear regression analyses showed that some major components of NPP were chiefly affected by the temperature environment in the dry season. These results indicated that the weather in the dry season was largely restricting the mangrove NPP due to effects on the saline water dynamics of the soils under the tropical monsoon climate, which were revealed by our recent study. It implies that the hot-dry season may lead to high mortality, long-term reduction in the increment of living-trees biomass, and thus lowered the ability to maintain high NPP of mangrove forests over the long-term.

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Section: Growth Npp Estimation and Its Componentssupporting

confidence: 68%

Ten-Year Estimation of Net Primary Productivity in a Mangrove Forest under a Tropical Monsoon Climate in Eastern Thailand: Significance of the Temperature Environment in the Dry Season

Poungparn

Komiyama

Umnouysin

et al. 2020

Forests

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show abstract

“…In addition, species richness in a community is in line with increased biomass, which can be affected by the niche effect, in which species have certain niches that allow them to use resources more efficiently, thereby increasing biomass production (Turnbull et al 2013). Tree biomass is affected by specific gravity, diameter, wood density, and ecological variables such as soil fertility and salinity (Kusmana and Watanabe 1992;Virgulino-Júnior et al 2020). Trees with a large diameter and canopy will produce large biomass and affect the increase in litter productivity and organic matter in sediments, thereby creating an optimal habitat for increasing mangrove biomass, subsequently increases mangrove carbon (Wang et al 2019).…”

Section: Discussionmentioning

confidence: 99%

Vegetation structure, biomass, and carbon of Mangrove Forests in Ambon Bay, Maluku, Indonesia

Kaimuddin,

Kusmana,

Setiawan

2023

JPSL

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Mangrove forests serve a substantial part in coastal areas as high-carbon-storage woody vegetation ecosystems that grow on muddy and anaerobic soils. This study determined the species composition and estimated the biomass production and storage of carbon in Ambon Bay mangrove forests. Vegetation surveys for species composition were conducted using the square plot technique by making standard observation plots for density, frequency, dominance, and important value index data analysis. We used Allometric equations and the Loss-on-ignition method to calculate the biomass and soil carbon. Vegetation surveys revealed eight species of tree-habitus mangroves, and Sonneratia alba was a mono-dominant species with an important value index of more than 100%. The study revealed the highest average potential of biomass and carbon in Passo Village with AGB 280.47±168.94 Mg ha-1, BGB 83.06±55.1 Mg ha-1, and sediment carbon 320.03±106.97 Mg C ha-1. The carbon stock of the mangrove forest in Ambon Bay was estimated at 400.67±166.25 Mg C ha-1. We conclude that mangrove forest carbon stores in Ambon Bay had relatively high values. Passo Village has the largest carbon store compared to other locations in the Ambon Bay mangrove forest.

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“…The mangrove aerial rooting system, salinity, and substrates determined the zone of mangrove species. (Wijayasinghe et al 2018;Muhammad-Nor et al 2019;Virgulino-Junior et al 2019). Mangrove ecosystem is arranged into three zones.…”

Section: Introductionmentioning

confidence: 99%

The influence of physicochemical environment on the distribution and abundance of mangrove gastropods in Ngurah Rai Forest Park Bali, Indonesia

2020

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Abstract. Imamsyah A, Arthana IW, Astarini IA. 2020. The influence of physicochemical environment on the distribution and abundance of mangrove gastropods in Ngurah Rai Forest Park Bali, Indonesia. Biodiversitas 21: 3178-3188. Ngurah Rai Forest Park is the widest mangrove ecosystem in Bali that close to the business center and tourism area. The strategic location of the Ngurah Rai Forest Park is estimated to produce anthropogenic waste that can disrupt the gastropod population and stability of the mangrove ecosystems. This study aims to analyze the mangrove density, distribution, and abundance of gastropods based on the quality of the biophysical environment. Mangrove data collection was carried out using a plot transect of 10 m x 10 m, 5 m x 5 m, and 1 m x 1 m. Meanwhile, samples gastropods were collected on a plot transect of 0.5 m x 0.5 m in plot transect of 5 m x 5 m. A total of 11 gastropods species and 6 mangrove species were recorded in this study. The dominant gastropods species found were Assiminea brevicula (28 ind/m2). Species mangrove of Sonneratia alba and Rhizophora apiculata found were in all study sites with tree density values of 1000 ind/ha. Subsequently, the ecological index calculation results show that the diversity index (H’) (2.89-3.2), evenness index (E) (0.87-0.93), and dominance index (C) (0.12-0.17). Based on the Principal Component Analysis (PCA) found was Assiminea brevicula spread on sand and silt substrates and adaptive to the temperature condition, salinity, pH, and dissolved oxygen. Furthermore, other analysis results showed that Cerithidea cingulata, Cerithidea quadrata, Littoraria articulata, and Littoraria scabra were found on clay substrate with high C-organic content. In conclusion, gastropods are evenly distributed and no species dominate the ecosystems.

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Wood density in mangrove forests on the Brazilian Amazon coast

Cited by 11 publications

References 57 publications

Ten-Year Estimation of Net Primary Productivity in a Mangrove Forest under a Tropical Monsoon Climate in Eastern Thailand: Significance of the Temperature Environment in the Dry Season

Ten-Year Estimation of Net Primary Productivity in a Mangrove Forest under a Tropical Monsoon Climate in Eastern Thailand: Significance of the Temperature Environment in the Dry Season

Vegetation structure, biomass, and carbon of Mangrove Forests in Ambon Bay, Maluku, Indonesia

The influence of physicochemical environment on the distribution and abundance of mangrove gastropods in Ngurah Rai Forest Park Bali, Indonesia

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