Mohd Hasmadi Ismail

• Ph.D (Cranfield University, UK)
• Professor at Universiti Putra Malaysia

Nowadays, mangroves, the most diversified ecosystem facing anthropogenic threats from various development activities. Remote Sensing (RS) data can provide spatio-temporal information on mangrove status for monitoring and management. This study was conducted to monitor the land cover dynamics of Sungai Pulai Mangrove Forests (SPMF) in Johor, Peninsu...

The extraction of aquaculture areas from high-resolution remote sensing images is crucial for effective coastal management and resource preservation. This study introduces SwinNet, a semantic segmentation model leveraging multi-scale feature fusion to enhance the extraction of aquaculture areas, particularly in the Maowei Sea of the Beibu Gulf, Chi...

The evaluation and prediction of ecological environmental quality are essential for sustainable development and environmental management, particularly in regions experiencing rapid urbanization and industrial growth like Johor in southern Peninsular Malaysia. This study evaluates the temporal and spatial changes in ecological environmental quality...

This study examines the impact of socio-economic factors and land-use changes on livestock production among rural communities in Khost Province, Afghanistan. Data were collected from 687 livestock owners across five districts (Gurbuz, Khost ‘Matun,’ Mandozayi, Musakhel, and Qalandar) using a structured questionnaire. Analytical techniques, includin...

Medicinal plants in North Sumatra Province can be found in several places, including on agroforestry land, either planted or grown wild. This study aimed to identify the medicinal plants in the agroforestry land at Telaga Village. This research was conducted in Langkat District, North Sumatra, Indonesia, by survey method to collect medicinal plants...

Gunung Leuser National Park (GLNP) is a critical conservation area with high biodiversity, providing essential ecosystem services, including climate regulation. This research aims to analyze Internal Strategic Factors (IFAS) and External Strategic Factors (EFAS) and determine appropriate strategies in the management of nature tourism and non-timber...

Amorphophallus gigas is exclusively found in community agroforestry gardens within the northern Sumatra region, Indonesia. This species faces various threats including land conversion and tuber extraction for economic purposes. Despite its unique habitat characteristics, the conservation status remains unrecorded on the IUCN Red List. Effective con...

Vegetation analysis in forest areas is intended to determine the vegetation structure of an area, species composition, and distribution patterns. Sibolangit Nature Tourism Park (SNTP) is an area that has various types of flora including cycad trees ( Bischofia javanica Blume). This study aims to analyze the potential of Sikkam trees, analyze the as...

Rural communities like Telagah Village often have economies and ways of life deeply intertwined with their natural environment. They were particularly vulnerable to the impacts of climate change due to their dependence on agriculture and forestry, which are directly affected by changes in weather patterns, temperature, and precipitation. This study...

Remote sensing technologies offer significant potential for monitoring mangrove ecosystems, which serve as invaluable hubs of biodiversity and providers of crucial ecosystem services (ESs). In the face of mounting threats from human activities and climate change, effective monitoring becomes paramount to safeguarding their health and the services t...

Rambey R, Rahmawaty, Suratman MN, Rauf A, Nababan ESM, Delvian, Aththorick TA, Ismail MH, Gendaseca S. 2024. Autecology of Amorphophallus gigas in Batang Natal Watershed, North Sumatra, Indonesia. Biodiversitas 25: 2887-2900. Amorphophallus gigas Teijsm. & Binn., a member of the Araceae family, is distributed across Sumatra, particularly within the...

Agroforestry practices evolve with the development of basic and advanced facilities, changes in natural and artificial factors of land use change. The study aims to examine the socioeconomic characteristics and compare satisfaction levels across forest products and vegetable farming of the agroforestry community in Khost Province. Data were collect...

A study was carried out to evaluate consumer knowledge of rattan furniture and determine the factors that consumers prioritize when purchasing rattan furniture. Recognizing that various factors can affect consumer choices, thus rattan furniture manufacturers will need to align with current customer preferences. These preferences encompasses aspects...

Research plays an important role in forestry, particularly in forest management. The wide range of current multispectral sensors available in remote sensing technology enables the enhancement of forest systems and management practices. This study employed the standard systematic review guidelines outlined in the Preferred Reporting Items for System...

This systematic review examines the current state of knowledge and research trends in agroforestry in the South Asian region. The study analyzed 150 scholarly publications on agroforestry techniques and their ecological, financial, and community benefits. The results show that the proportion of agroforestry-associated papers focusing on the South A...

In this research, a deep learning approach for hyperspectral image (HSI) classification was developed, incorporating attention mechanisms, multiscale feature learning, and utilization of unsampled pixels. The proposed model, multiscale attention-based hybrid spectral network and UNet (MSA-HybridSN-U), was evaluated on three benchmark datasets: Indi...

Terrain analysis and elevation profiling are widely utilized in geographical studies where spatial information system is one of the foremost tools in assessing characteristic patterns of hiking trails and plain areas suitable for a campsite. The main objective of this study is to classify the landforms of Batu Gangan Forest Reserve by conducting a...

Suitable extraction technique and the least cost while reducing the environmental impact is the primary concern in timber transportation planning in undulate topography. Two types of extraction machines with unique characteristics to be applied in timber harvest area in Malaysia is combined for timber harvesting with the aim each machine will extra...

Mangroves are multifunctional ecosystems providing resource provisions and various ecosystem services critical to the local livelihood and national economy. The anthropogenic activities in the mangrove forest and the threat to these ecosystems remain a daunting and challenging task to the ecologist, especially in the management. This chapter attemp...

In Southeast Asia, rubber plantation is considered the second largest main crop after oil palm. Hence, it also becomes more critical when seeing rubber as part of the forest ecosystem that possesses an essential biomass and carbon sequestration source. In general, the changes in carbon stocks of the terrestrial ecosystem may have direct implication...

Tulis is one of the watersheds in the Mrica Reservoir Catchment Area in Indonesia. The Tulis Watershed has an area of 12,750 ha, which is dominated by hilly areas with areas below alluvial-colluvial. This study aimed to map the potential distribution of the landslides in the Tulis Watershed. As the Tulis Watershed has the potential for landslides,...

This paper assesses the existing reforestation and forest conservation policies and strategies in Southeast Asia and how they have impacted people’s lives. Southeast Asia contains 11 countries and is home to 20% of the world’s species. Unfortunately, the region has been practising deforestation at an alarming rate. The main cause of deforestation i...

Land use/land cover changes (LULC) may result in water shortages, flood risk and soil erosion, contributing to the degradation of living situations. Therefore, studying the impacts of LULC changes on water resources is critical to watershed management. This study aims to determine LULC change and its impact on runoff and other hydrological componen...

Desertification is a major environmental issue all over the world, and Al-Khidhir district, Al-Muthanna, in the south of Iraq is no exception. In mapping, assessing, and predicting desertification, remote sensing and geospatial solutions (spatial analysis, machine learning) are crucial. During 1998–2018, this study employed satellite images from La...

Determining a log yard is essential in timber harvesting operational planning. Locating a log yard must be suitable, especially in dry and easily drained areas with an even slope. Since the timber harvesting operation with t he principles of the selective management system (SM S) is restricted within the production of not more than 1000m elevations...

Tumpangsari or agroforestry is a land that uses a management system in which trees are mixed in the same land with food crops or pasture for domestic animals. This study aimed to determine the impact of the tumpangsari system on the local community in Gunung Arjuna-Lalijiwo Forest Reserve, East Java Indonesia, specifically UB Forest, in terms of so...

Spatiotemporal assessment of land cover (LC) trends and vegetation degradation (VD) using remote sensing (RS) and indicators such as anthropogenic activities and the socio-demographic information is essential for an effective and efficient planning. This paper evaluated land cover change and VD in Kebbi State, Nigeria, using Landsat data from 1986...

The Batagur affinis is among the 25 most critically endangered freshwater turtles in the world. Malaysia has three states active conservation sites for the species includes Kedah, Perak and Terengganu. This chapter shared all about Southern river terrapin to provide more literature on the reptile background. The literature describes taxonomy, distr...

The conventional method to quantify leaf biochemical properties (nutrients and chlorophylls) is tedious, labour-intensive, and impractical for vast oil palm plantation areas. Spectral analysis retrieved from a spectroradiometer and an unmanned aerial vehicle (UAV) and imbalanced approaches such as the Synthetic Minority Over-sampling TEchnique (SMO...

Globally, in the selection of potential Important Plant Areas (IPAs), the preferred method used is scoring method because of its simplicity and ease of evaluation. However, the criterion weights developed from this method are vague and suffer from judgement uncertainties. In this study, we developed and propose a methodology for the assessment of M...

The Cameron Highlands is a popular tourist destination in Malaysia, filledwith vibrant forest covers and an area suitable for highland agriculture. Due to rapid population growth, urbanisation, as well as land use/ land cover (LULC) issues, it becomes a national concern. Cameron Highlands Malaysia has witnessed multiple land encroachment activities...

The adventure and ecotourism sectors are gaining wide attention from tourists for the past few years. However, these two topics remain unpopular among the researchers and conferences. Thus, the Department of Recreation and Ecotourism, Faculty of Forestry decided to organise a special conference to gather academicians and practitioners to discuss ab...

Algorithm is widely used in various areas due to its ability to solve classes of problems. Due to multiple objectives to be met and varied algorithm application in this digital era, addressing the problem-solving optimization in a more efficient and effective way has become more reasonable. Forest transportation planning is one of the most expensiv...

The Cameron Highlands has experienced multiple land encroachment activities and repeated deforestation, leading to extensive land-use and land-cover change (LULCC) during the past six decades. This study aims to determine the LULCC against topography in Cameron Highlands between 2009 and 2019 by using geospatial techniques to analyze Landsat 7 (ETM...

Desertification has been a global concern long ago. However, it has never been as severe as it is in the present day. According to the United Nations Convention to Combat Desertification (UNCCD), almost one-third of the world’s agricultural land is facing one form of degradation or another. Assessment of desertification using GIS nowadays presents...

This study was conducted on the south slope of the Al-Jabal Al-Akhdar (the Green Mountain) rangelands, northeast Libya to investigate changes in perennial plant species richness, landscape function and soil surface condition in order to determine whether exclosures are effected strategy for the improvement and rehabilitation of rangeland ecosystem...

Important Plant Areas (IPA) is a concept developed by Plantlife International to identify sites of exceptional botanical importance for conservation priority. The three main criteria for IPA are presence of threatened species, exceptional botanical richness and threatened habitats. Studies have shown that scoring method based on expert judgement is...

The role of forests as potential sinks of atmospheric carbon has been studied across varying scales. In 2017, Malaysia with a total of 52 % her land is covered by tropical forest is very important not only as a source of national revenues but also as environmental protection and conservation areas. In Malaysia attempts to estimate the Above-Ground...

Malaysia is a megadiverse country and listed as one of the world's biodiversity hotspots. Land use changes and deforestation have led to the threat of, and extinction of plant species. In order to mitigate loss in population numbers, and to prevent species extinction events, Important Plant Areas (IPA) for Malaysia shall be identified. The identifi...

The increase in forest recreation, mountaineering activities, and wilderness exploration in Malaysia bring both positive and negative impacts to society as well as to the forest environment. Various incidents due to mountaineering activities in forested setting has brought to a rise in the need for Search and Rescue (SAR) operations. Due to limitat...

An accurate forest inventory is crucial for forest monitoring and quantifying forest aboveground biomass (AGB). This study aimed to investigate the feasibility of Terrestrial Laser Scanning (TLS) in forest inventory and AGB estimation in the tropical forest of Malaysia. Individual trees were detected using manual and automatic detection methods. An...

Timber transportation planning is among the costliest activities in forest operation. Traditionally, the goal of timber transportation planning adopted to determine feasible way to extract high timber volume from the stump site to the final destination. However, modern transportation problems are not driven by the productivity of timber itself, but...

Tree height is one of the key parameters for estimating forest aboveground biomass (AGB). Traditionally, the tree height is measured by hypsometers, which are widely used to validate Terrestrial Laser Scanner (TLS) and Airborne LiDAR (ALS). However, the measurements from hypsometers are subject to huge uncertainties in comparison with TLS and ALS....

Tree height is one of the key parameters for estimating forest aboveground biomass (AGB). Traditionally, the tree height is measured by hypsometers, which are widely used to validate terrestrial laser scanner (TLS) and Airborne LiDAR (ALS). However, the measurements from hypsometers are subject to huge uncertainties in comparison with TLS and ALS....

Knowledge on the population of the avian community in the wetland is important to the conservation of wetlands. This study aimed to understand the population and occupancy estimate of birds in Malaysian wetlands and results showed that both wetlands were very diverse in the bird population. We make recommendations to wildlife managers on how to use...

Mangrove forests across the globe have experienced remarkable rapid reduction over the recent few couple of decades due to land use changes and socioeconomic factors. These phenomena also have an impact on the socioeconomic condition of the local communities. This study was carried out to determine the impacts of mangrove changes on local community...

Geospatial distribution of soil physical properties using Geographic Information System (GIS) is essential and efficient to site-specific farming and environmental management processes. This study attempts to evaluate the spatial distribution of soil physical properties and their impact on vegetation status in Kebbi State, Nigeria using the geospat...

Tree biomass estimates and analyses are essential for carbon accounting and other feasibility studies including bioenergy. Forest including mangrove trees play an important role in ecosystems which could be addressing climate change and mitigation through biomass and carbon storage. A reasonable method for estimating tree biomass and carbon stocks...

Mangroves are important coastal resources that provide both tangible and intangible benefits to the locals as well as others. Rapid coastal development pressures the mangroves to decline continuously. The objective of the study was to comprehend the perception of the locals on mangrove change issue and also to analyze the differences of perceptions...

Protected areas in the cities play an important role for nature conservation and sustainable urban planning. In many occasions however development activities and urban planning ignore this ecological aspect. For sustainable urban planning, understanding the landscape pattern and connectivity importance of urban protected areas and its surroundings...

Mangrove forests play a pivotal role in climate change mitigation through biomass and carbon storage. Due to rising concern towards global climate change and carbon sequestration, a practical method to estimate the forest biomass and carbon stocks is necessary. Therefore, this study attempted to quantify aboveground biomass (AGB) within the mangrov...

Mangrove forests play a pivotal role in climate change mitigation through biomass and carbon storage. Due to rising concern towards global climate change and carbon sequestration, a practical method to estimate the forest biomass and carbon stocks is necessary. Therefore, this study attempted to quantify aboveground biomass (AGB) within the mangrov...

Evaluating the spatial distribution of soil physical properties using geographic information system (GIS) is essential for efficient, effective and sustainable planning processes, particularly site-specific farming and environmental management. The study attempts to evaluate the spatial distribution of soil physical properties and their impact on v...

Ismail MH, Fuad MFA, Zaki PH, Jemali NJN. 2017. Analysis of importance value index of unlogged and logged peat swamp forest in Nenasi Forest Reserve, Peninsular Malaysia. Bonorowo Wetlands 1: 74-78. Peat swamp forests are highly significant globally, both for their diverse and threatened species and as a representative of unique wetland ecosystems....

The sustainable management and monitoring of urban forests is an important activity in the urbanized world, and operational approaches require information about the status of urban trees to determine the best strategy. One limitation in urban forest studies is the detection and discrimination of tree species using limited training data. Thus, this...

Land use/cover (LUC) change has become an important issue due its contribution to landscape and global climate change. Coastal areas including the mangroves are more vulnerable to rapid LUC as it is a source of enormous spaces for new development. This study aimed to detect LUC changes in Sungai Pulai mangroves with six surrounding mukim or sub-dis...

Rubber tree has become an important part in global warming mitigation plan because of its capability to produce biomass and to preserve carbon element. Therefore, mapping rubber trees distribution is essential to provide baseline information in rubber tree biomass calculation. This study focused on generating rubber tree map by using combination of...

Globally, the coastal areas are changing due to increasing threats from different sources. Mangroves are most vulnerable and reducing its size during last few couple of decades. Some of the factors such as land use changes are acting directly while some factors are acting indirectly like socioeconomic factors. The mangroves ecosystem in Johor is ch...

Forests play a major role in climate change through their unique nature of carbon sequestration which regulates the global temperatures. Climate change is directly attributed to changes in global atmospheric conditions over a given period. This requires actions towards its mitigation and hence various bodies have come up with a number of initiative...

Desertification which has been a critical issue since time immemorial, however, has never been as it is at the present days. According to UNCCD, almost one third of the world agricultural land is facing one form of degradation or another. It causes adverse effects not only on the environment but also a severe economic, social and geopolitical conse...

The growth of residential and commercial areas threatens vegetation and ecosystems. Thus, an urgent urban management issue involves determining the state and the quantity of urban tree species to protect the environment, as well as controlling their growth and decline. This study focused on the detection of urban tree species by considering three t...

The study continuously recorded working elements and log hauling activities of log trucks. The variables measured were travel distance, number of logs and log volume which were regressed with hauling time and productive machine hour (m3 PMH-1) using stepwise method via data analysis in Excel. Travel distance and the number of logs hauled per truck...

The questionnaire was constructed based on four constructs which are knowledge attitude and communication channels as exogenous variables while GST compliance is endogenous variable. The questionnaires were distributed to the wood-based manufacturers throughout seven states in Peninsular Malaysia. 352 valid data was evaluated for the validity and r...

Graphical abstract Abstract This study attempt to develop stand age model of rubber tree by using remote sensing data. Rubber tree is one of the important biomass that has been considered as the essential part in global warming reduction plan due to its beneficial carbon sequestration capability. The spatial distribution of rubber tree based on dif...

The aim of this paper is to review the potentialities and major methodological challenges of integrating remote sensing (RS) and geographic information system (GIS) with socioeconomic data from published articles or book chapters. RS and GIS combined with social science (SS)(termed as geoinformation technology) serve many applications for sustainab...

The study continuously recorded working elements and log hauling activities of log trucks. The variables measured were travel distance, number of logs and log volume which were regressed with hauling time and productive machine hour (m³ PMH⁻¹) using stepwise method via data analysis in Excel. Travel distance and the number of logs hauled per truck...

Mangroves are considered as unique and important ecosystems that occupy an intertidal zone of protected shorelines. The halophytic plants present in mangroves provide support not only for social economic needs but also for ecological roles which include carbon sinks. Above ground biomass (AGB) of mangroves was estimated in mangrove stands in Merbok...

The use of remote sensing imagery, to some extends geographic information system (GIS), have been identified as the most recent and effective technologies to assess forest biomass. Depending on the approaches and methods employed, estimating biomass by using these technologies sometimes can lead to uncertainties. The study was conducted to investig...

This study attempt to identify and elaborate a motivation factors influence participation of local community in tourism industry in Kuala Tahan National Park, Pahang, Malaysia. Using random stratified sampling techniques, a total of 400 respondents were selected from seven villages in Kuala Tahan National Park. A theory of push and pull factor were...

Gigantochloa albociliata which is also known as 'Buluh Madu' in Malaysia is harvested for the shoots and widely consumed in the northern states of Perlis and Kedah. Most G. albociliata grown in Malaysia are originated from Thailand and some from China. It was introduced and planted in Malaysia because of high demand for bamboo shoots. Population in...

HAMDAN O, MOHD HASMADI I, KHALI AZIZ H, NORIZAH K & HELMI ZULHAIDI MS. 2015. L-band saturation level for aboveground biomass of dipterocarp forests in Peninsular Malaysia. This study was carried out in lowland and hill dipterocarp forests over the entire Peninsular Malaysia to determine the saturation level of aboveground biomass (AGB) that can be...

Above ground biomass (AGB) is one of the key parameters for carbon accounting in a forest area. However, estimating this parameter by using remote sensing approach has been challenging as the interpretation of remotely sensed complex tropical forest ecosystem. Synthetic aperture radar (SAR) sensor system has its potential in obtaining acceptable AG...

A large part of the mountain steep land in Peninsular Malaysia is covered by forests. Cameron Highland is a mountainous region with a climate favourable to the cultivation of tea, sub-tropical vegetable and flowers. However rapid economic growth and land use practices has altered the environment landscape of the area. This study was carried out to...

Aboveground biomass (AGB) of forests is the one of the key parameters for carbon accounting. However, estimating AGB by using remote sensing approach has been challenging as it is constrained by various limitations, especially in a complex tropical forest ecosystem. Optical or radar system has its potential in retrieving AGB but issues such as clou...

This study was carried out in UPM's field centre for education and research. First harvested in the 1960's, this secondary lowland dipterocarp forest should through the second harvest rotation. At the age of 50 years, the timber quality and revenue might decreases. The trees are also a risk to students, researchers and publics. Maintaining the ecos...