Floristic Diversity and Carbon Stock in the Dry Forests of Chad

2020 ◽  
pp. 125-139
Author(s):  
Ngaba Waye Taroum Caleb ◽  
Djekota Christophe Ngarmari ◽  
Kabelong Banoho Louis-Paul Roger ◽  
Zapfack Louis ◽  
Mbayngone Elisée
Keyword(s):  
Population Density ◽  
National Park ◽  
Carbon Stock ◽  
Basal Area ◽  
Woody Biomass ◽  
Forest Degradation ◽  
Carbon Stocks ◽  
Floristic Diversity ◽  
Dry Forests ◽  
Average Population Density

The woody flora of the National Park of Manda in the Sudanian area of Chad has been characterized between October and December 2016 to know its floristic diversity, and to quantify its aerial woody biomass. The transect and quadra method (1m x 1m) were simultaneously adopted for this study. The pan-tropical equation of Chave et al. made it possible to evaluate the carbon stocks in different sites. The study of the flora species identified 45 species divided into 37 genus and 21 families for an average population density of 355 individuals/ha. Three classes of the diameter dominate the settlement: class ≤ 10 cm; class of 10-20 cm and class of 20-30 cm. The height classes belong to the class of plants ≤ 4 m; and at last having a height ≤ 7 m. The basal area was 5.86 m2 / ha. It appears that the woody components store 23.82 ± 0.01 tC / ha, the undergrowth 0.14 ± 0.01 tC / ha and the litter 0.56 ± 0.01 tC / ha. This research is a contribution to the REDD+ process (Reducing Emissions from Deforestation and Forest Degradation).

Role of Forest Tree Species in the Carbon Storage of the Kaptai National Park, Bangladesh

2021 ◽  
Vol 50 (2) ◽  
pp. 365-371
Author(s):  
Mohammed Mukhlesur Rahman ◽  
Syed Hafizur Rahman ◽  
Mohammed Al Amin
Keyword(s):  
Carbon Storage ◽  
Tree Species ◽  
National Park ◽  
Carbon Stock ◽  
Tectona Grandis ◽  
Forest Tree ◽  
Carbon Stocks ◽  
Acacia Auriculiformis ◽  
Gmelina Arborea

The study was conducted to estimate the biomass and carbon stock in the dominant tree species of the Kaptai National Park of Bangladesh. A total of 77 tracks and 308 plots were selected and all trees in each plot were measured to estimate the biomass following allometric equations. There were planted stand of Acacia auriculiformis, Dipterocarpus turbinatus, Gmelina arborea, Lagerstroemia speciosa, Swietenia macrophylla and Tectona grandis. Biomass and carbon stocks of these corresponding tree species were 35.03, 73.86, 23.52, 30.16, 44.49, and 42.67 mg/ha. The highest carbon stock per tree was in D. turbinatus (372.19 kg C/tree), followed by S. macrophylla (226.49 kg C/tree), T. grandis (215.06 kg C/tree), A. auriculiformis (176.56 kg C/tree), L. speciosa (151.19 kg C/tree) and G. arborea (118.54 kg C/tree), respectively. The findings of the study will be helpful for the estimation of carbon stocks in the forests of Bangladesh. Bangladesh J. Bot. 50(2): 365-371, 2021 (June)

scholarly journals Carbon Value Analysis of Batang Gadis National Park, Mandailing Natal Regency, North Sumatera Province, Indonesia

2018 ◽  
Vol 31 ◽  
pp. 08010
Author(s):  
Dini Novalanty Ohara Daulay ◽  
Jafron Wasiq Hidayat
Keyword(s):  
Global Warming ◽  
National Park ◽  
Carbon Stock ◽  
Renewable Energy Sources ◽  
Forest Degradation ◽  
Carbon Price ◽  
Total Carbon ◽  
Total Biomass ◽  
Value Analysis ◽  
The World

Global warming is an important issue in the world which it gives a negative effect on human life. One indicator of global warming is increasing greenhouse gas i.e. carbondioxide from human activities. Deforestation and forest degradation are the second largest contributor of carbon into the atmosphere, after the use of fossil fuels by industry and transportation. As lungs of the world, forest is enable to produce renewable energy sources i.e. biomass. Forest carbon stock in above ground biomass (AGB) is the greatest effect source on deforestation and forest degradation. Therefore, it is necessary to perform a study the potential of carbon in forest. The purpose of this research is to determine carbon stock value in Batang Gadis National Park, Mandailing Natal Regency, North Sumatera Province, Indonesia. The carbon potential stored in this forest vegetation is calculated using AGB allometric equation by using data in diameter at breast height (dbh = 1.3 m), height, and density of the wood for trees. Data obtained from secondary data is Asset Assessment Report which State Controlled Forest Natural Resources Batang Gadis National Park, 2016. Study locations were Pagar Gunung and Sopo Tinjak Villages. Carbon stock values were calculated and analyzed with assumption that a half of biomass part is carbon stock which using Australian carbon price about AUD $ 11.82 Australia (Australian dollars) and EU € 5 (US $ 6). The results showed that the total biomass in Pagar Gunung and Sopo Tinjak Villages amounted to 259.83 tonnes and 160.89 tonnes. From the results of the total biomass, the total carbon stocks (C) and CO2 stocks in both villages are 210.36 tonnes (129.92 tonnes in Pagar Gunung Village and 80.45 tonnes in Sopo Tinjak Village) and 772.03 tonnes (476.79 tonnes in Pagar Gunung Village and 295.24 tonnes in Sopo Tinjak Village). By using the carbon price prevailing in the market place Australia Emission Trading System (ETS) and the EU ETS (AUD $ 11.82/t CO2e and € 5 (US $ 6)/t CO2e), the value of carbon stock that can be produced from Batang Gadis National Park (Pagar Gunung and Sopo Tinjak Villages) is about Rp. 92,499,921.72 (in AUD $) or Rp. 61,654,433.67 (in US $).

scholarly journals BIOMASS AND CARBON IN NON-WOODY VEGETATION, DEAD WOOD AND LITTER IN IGUAÇU NATIONAL PARK

FLORESTA ◽  
2014 ◽  
Vol 44 (2) ◽  
pp. 185 ◽  
Author(s):  
Carlos Roberto Sanquetta ◽  
Ana Paula Dalla Corte ◽  
Caciane Pinto ◽  
Luiz Antônio Nunes Melo
Keyword(s):  
National Park ◽  
Carbon Stock ◽  
Deciduous Forest ◽  
Carbon Stocks ◽  
Total Carbon ◽  
Forest Types ◽  
Semideciduous Forest ◽  
Araucaria Forest ◽  
Total Carbon Stock ◽  
Seasonal Semideciduous Forest

This study was carried out in 2004 in Iguacu National Park (INP), Paraná-Brazil. The vegetation is composed of Araucaria Forest (AF) (13.1%) and Seasonal Semi-deciduous Forest (FES) (86.9%). Two types of materials were analyzed: litter (L) and woody material (W) (alive (A) and dead (D)), and classified by diameter: W1(0–0.70 cm), W2(0.71–2.5 cm), W3(2.51–7.50 cm), and W4(³7.5 cm). The results for the FES was 21.7 t/ha, with 42.4% in diameter class WD4 (8.98 t/ha) and 38.6% was litter (8.17 t/ha). The FOM was 12.87 t/ha, with 78.9% litter. The carbon stocks of the materials varied between 36.2% and 42.1% (for litter and WD4), both in the FES. There were no significant differences between the carbon stocks of the forest types. Rather differences existed between the pools (5% ANOVA and Tukey test). In the FES the carbon stock was 8.29 t/ha, which is equivalent to 30.41 tCO2e/ha, and in the FOM the stock was 4.94t/ha or 18.12 tCO2e/ha. For the vegetation types the carbon stock in INP was 8.35 tC/ha and 30.62 tCO2e/ha for the FES and FOM, respectively. The carbon pools analyzed in this study contribute significantly to the total carbon stock of a forest ecosystem and should always be taken into consideration when developing estimates for a forest.Keywords:  Araucaria; Seasonal Semideciduous Forest; Araucaria Forest; climate change; carbon fraction. ResumoBiomassa e carbono na vegetação não arbórea, madeira morta e serapilheira no Parque Nacional do Iguaçu. O trabalho ocorreu em 2004 no Parque Nacional do Iguaçu (PNI), Paraná. O PNI tem Floresta Ombrófila Mista (FOM) (13,1%) e Floresta Estacional Semidecidual (FES) (86,9%). Foram analisados L – serapilheira e W – materiais lenhosos (vivos – A e mortos – D), classificados pelos diâmetros: W1 (0 a 0,70 cm), W2 (0,71 a 2,5 cm), W3 (2,51 a 7,50 cm) e W4 (³7,51 cm). Os resultados da FES mostram 21,7 t.ha-1, sendo 42,4% do WD4 (8,98 t.ha-1) e 38,6% da serapilheira (8,17 t.ha-1). Na FOM, foram 12,87 t.ha-1 (78,9%) da serapilheira. Os teores de carbono dos materiais variaram de 36,2 a 42,1% (para serapilheira e WD4), ambos na FES. Não houve diferenças significativas nos teores de carbono, havendo diferença nos compartimentos (5% ANOVA) e teste de Tukey. Na FES, o estoque de carbono foi 8,29 t.ha-1, correspondendo a 30,41 tCO2e.ha-1, e na FOM de 4,94 tC.ha-1 e 18,12 tCO2e.ha-1. Para as fitofisionomias, o estoque de C no INP foi de 8,35 tC.ha-1 e 30,62 tCO2e.ha-1. Os reservatórios de C analisados no estudo apresentam participação importante no estoque total de C do ecossistema florestal, devendo sempre serem considerados quando do desenvolvimento de estimativas para a floresta.Palavras-chave:  Araucária; Floresta Estacional Semidecidual; Floresta Ombrófila Mista; mudanças climáticas; teor de carbono.

scholarly journals A Comparative Study of Carbon Stock Changes from Different Logging Techniques in Ulu Jelai Forest Reserve, Kuala Lipis, Pahang

2015 ◽  
Vol 3 (1) ◽  
pp. 98-102
Author(s):  
S. Noraishah ◽  
M. Azian ◽  
M. Samsudin ◽  
P. Ismail ◽  
K. Abd Rahman ◽  
...  
Keyword(s):  
Carbon Stock ◽  
Forest Degradation ◽  
Forest Harvesting ◽  
Peninsular Malaysia ◽  
Carbon Stocks ◽  
Environmental Damage ◽  
Forest Reserve ◽  
Logging Damage ◽  
Before And After ◽  
Harvesting Techniques

Conventional logging practices are often highly destructive to forest ecosystems. Heavy machinery can compact the soil and destroy vegetation. Previous research by others have demonstrated that environmental damage can be minimized through the use of site- sensitive harvesting techniques. Forest harvesting in the inland forest in Malaysia is generally carried out by a combination of crawler tractor and winch lorry, which we defined as the current logging technique. Under the current logging technique, crawler tractors are used to skid logs from felling sites to skid trails and winch lorries continue the transportation to the roadside landings. In the early nineties, a Low Impact Logging (LIL) practice using an improved logging system was carried out in some forest areas in Peninsular Malaysia. The technology, called logfisher was mainly deployed to retrieve logs from rocky and deep, narrow ravine which was deemed uneconomical, difficult and dangerous for the crawler tractor to operate. In certain logging areas in Pahang, a combination of crawler tractor and logfisher is being used which we defined in this study as LIL. The study focuses on quantifying the carbon stock changes from the different logging techniques in Lipis, Pahang. Based on preliminary results, the LIL technique showed less carbon loss if the carbon stocks before and after logging were compared. This study indicates that different logging techniques results in different impact on the total residual forest carbon stocks. The introduction of LIL systems and practices have indeed reduced the logging damage and improved stand conditions. Improvement to the current practice, enhance the productivity of the residual stand and reduce forest degradation in terms of carbon stocks as well as other ecological co-benefits.

Floristic diversity and carbon stocks in the periphery of Deng–Deng National Park, Eastern Cameroon

2018 ◽  
Vol 31 (3) ◽  
pp. 989-1003 ◽  
Author(s):  
Louis Paul Roger Kabelong Banoho ◽  
Louis Zapfack ◽  
Robert Bertrand Weladji ◽  
Cedric Chimi Djomo ◽  
Melanie Chichi Nyako ◽  
...  
Keyword(s):  
National Park ◽  
Carbon Stocks ◽  
Floristic Diversity ◽  
Eastern Cameroon

scholarly journals Woody species diversity, productivity and carbon stock potential of dry deciduous woodland in Alitash National Park, North West Ethiopia

2018 ◽  
Vol 6 (10) ◽  
Author(s):  
Amsalu Abich Andargie ◽  
Asmamaw Alemu Abtew ◽  
Tadesse Mucheye Azagew ◽  
Mequanent Tebikew Asres ◽  
Yohannis Gebremariam Grima
Keyword(s):  
Species Diversity ◽  
National Park ◽  
Carbon Stock ◽  
Basal Area ◽  
Woody Species ◽  
Individual Species ◽  
North West ◽  
The Status ◽  
North West Ethiopia ◽  
Woody Species Diversity

Dry woodlands provide multifunctional benefits which grouped socioeconomic and ecological values. Despite these advantageous while recently threatened, the status of dry woodland attribute is not well understood, particularly Alitash National Park (ANP). Hence, woody species diversity, productivity and carbon stock potential of ANP were studied. Based on the collected data, a total of 24 woody species were identified. The computed Shannon-Wiener's diversity and evenness index were 2.11 and 0.66, respectively which indicated that moderate diversity and individual species were sparsely distributed horizontally. The study site was dominated by few individuals of woody species that exhibited the highest value of IVI. Population structure pattern of woody species showed F shape indicates the first class exhibited good regeneration. Whereas, species in the second classes interrupted the seedling establishment phase and transformation to sapling stage as a result of disturbance caused by anthropogenic, grazing and frequent firing. Stand basal area, volume and AGB were 8.57 m2ha-1, 48.15 m3ha-1 and 49.06 ton ha-1, respectively. The estimated carbon stock of the stand was 27.7 ton ha-1. In conclusion, the results of woody vegetation attributes showed ANP is affected negatively caused by different disturbance indicate the need of appropriate intervention and management system although ANP is protected.

scholarly journals Species Diversity of Trees and Carbon Stock in Resort Pemerihan, Bukit Barisan Selatan National Park

2019 ◽  
Vol 7 (2) ◽  
pp. 139 ◽  
Author(s):  
Hasbiyan Erly ◽  
Christine Wulandari ◽  
Rahmat Safe’i ◽  
Hari Kaskoyo ◽  
Gunardi Djoko Winarno
Keyword(s):  
Species Diversity ◽  
National Park ◽  
Carbon Stock ◽  
Diversity Index ◽  
National Forest Inventory ◽  
Carbon Stocks ◽  
National Standard ◽  
Intergovernmental Panel ◽  
Individual Trees ◽  
Non Destructive

Pemerihan Resort is a part of the Bukit Barisan Selatan National Park (BBSNP). The area of Pemerihan Resort is also part of a lowland tropical rainforest ecosystem with high carbon stocks and biodiversity levels. However, the biodiversity at Pemerihan Resort is threatened by human activities. The aim of this study is to understand species diversity of trees and the carbon stocks in Pemerihan Resort. The plots used include 5 clusters of the National Forest Inventory (NFI) plots within an area of 1 ha for each plot. Data collection was conducted by a census of all trees in the cluster plots and measurements of the diameters and heights of all trees. The measurements of the tree biomass were conducted by non-destructive sampling methods. The trees measured are ≥ 20 cm only. Species diversity of the trees was analyzed by Shannon-Whiener index. The carbon stock was analyzed using the Indonesian National Standard (SNI) referring to the Intergovernmental Panel on Climate Change (IPCC). The results showed that Pemerihan Resort is a mixed Dipterocarpaceae ecosystem and a type of normal forest. The dominance of Dipterocarpaceae is 38%. Pemerihan Resort has 611 of individual trees within 99 species and 38 families. The Diversity index (H´) of Pemerihan Resort is 2.70. This is a moderately diverse and very stable environment. Tree carbon stock in Pemerihan Resort is 277.64 tons c/ha. The resort is included in the primary dryland category and High-Density forest (HK 3). The results of this study are useful as the basic data in conducting conservation efforts in the BBSNP area.Keywords: Carbon, diversity, tree, species, species, family

Gran Paradiso: Erkenntnisse aus der sich natürlich regulierenden Steinbockpopulation|Gran Paradiso: Conclusions from the naturally regulated Capricorn population

2007 ◽  
Vol 158 (11) ◽  
pp. 349-352
Author(s):  
Grégory Amos ◽  
Ambroise Marchand ◽  
Anja Schneiter ◽  
Annina Sorg
Keyword(s):  
Nineteenth Century ◽  
Population Density ◽  
National Park ◽  
Optimal Management ◽  
Capra Ibex ◽  
Large Fluctuations ◽  
The Alps ◽  
Gran Paradiso ◽  
Gran Paradiso National Park

The last Capricorns (Capra ibex ibex) in the Alps survived during the nineteenth century in the Aosta valley thanks to the royal hunting reservation (today Gran Paradiso national park). Capricorns from this reservation were successfully re-introduced in Switzerland after its Capricorn population had disappeared. Currently in Switzerland there are 13200 Capricorns. Every year 1000 are hunted in order to prevent a large variation and overaging of their population and the damage of pasture. In contrast, in the Gran Paradiso national park the game population regulates itself naturally for over eighty years. There are large fluctuations in the Capricorn population (2600–5000) which are most likely due to the climate, amount of snow, population density and to the interactions of these factors. The long-term surveys in the Gran Paradiso national park and the investigations of the capacity of this area are a valuable example for the optimal management of the ibexes in Switzerland.

Sign in / Sign up

Export Citation Format

Share Document