Effects of Eucalyptus plantations on streamflow in Brazil: Moving beyond the water use debate

Ferraz, Sílvio; Rodrigues, Carolina Bozetti; Garcia, Luís Vicente; Álvares, Clayton Alcarde; Lima, Walter de Paula

doi:10.1016/j.foreco.2019.117571

Cited by 52 publications

(43 citation statements)

References 65 publications

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Section: Hydrological Impactmentioning

confidence: 99%

“…Besides local physical factors (soil, topography and forest management), climatic factors such as precipitation and temperature can also affect negatively on the hydrology at the plantation (Evaristo et al, 2019;Ferraz et al, 2019). Essentially, the capacity of water storage depends on soil texture and depth (Ferraz et al, 2019). Depending on soil texture, the rate of infiltration and percolation depends on the soil texture that also control the water movement and storage by regulating the water flow (Neary et al, 2009;Swarowsky et al, 2011).…”

Section: Hydrological Impactmentioning

confidence: 99%

“…(Salleh et al, 1995), researchers have begun to highlight the environmental impacts of Eucalyptus plantation. These include water consumption (Hubbard et al, 2010), soil erosion (Sun et al, 2018), nutrient loss (Wang et al, 2019), pest and disease (Wingfield et al, 2008), biodiversity (Goded et al, 2019), soil quality (Blanco-Moure et al, 2016) and hydrology (Ferraz et al, 2019). Currently, there is still a lack of research on the issue possibly due to insufficient fund to conduct studies or even lack of interest.…”

Section: Introductionmentioning

confidence: 99%

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Eucalyptus in Malaysia: Review on Environmental Impacts

Samdin

Sheriza

Ainishifaa

et al. 2020

Journal of Landscape Ecology

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Development of forest plantation is mainly intended to provide income opportunity and to ensure the improvement of the socioeconomics of society. Sabah Softwood Berhad (SSB) is one of the private companies that pioneered the development and commercialization of fast growing timber species and forest plantation. The Eucalyptus plantation in SSB was initiated in response to the emergence of fungal disease that implicated the environment. Nevertheless, the impacts of plantation to the environment regarding water use, soil erosion, nutrient loss, pest and disease, biodiversity, soil quality and hydrology are reviewed. The disputes among various scientists over the physiological and plantation aspects of Eucalyptus, especially their implication towards the environment are also discussed. This paper aims to present information on the impacts posed by the Eucalyptus plantation that will guide the planters and policy makers in facilitating a management plan to mitigate the impacts of this species to the environment.

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Section: Hydrological Impactmentioning

confidence: 99%

Section: Hydrological Impactmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Eucalyptus in Malaysia: Review on Environmental Impacts

Samdin

Sheriza

Ainishifaa

et al. 2020

Journal of Landscape Ecology

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“…Eucalyptus trees act as carbon deposits, require less energy consumption, experience lower rates of erosion, less managementintensive, offer greater biodiversity, enable a higher degree of multifunctionality and improve balance in the water cycle [3][4][5]. Besides, Eucalyptus have better productivity as only small surface area is required.…”

Section: Fig 1 Countries With the Largest Forest Area In Asia And Thmentioning

confidence: 99%

Impact of Forest Rehabilitation using Eucalyptus spp. on Soil Properties at Sg. Betis Forest Reserve, Lojing, Kelantan

aida¹,

Arifin²,

Norulhuda³

et al. 2019

JESPR

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The forest reserve of Sg. Betis, Lojing, Kelantan is one of the earliest plots to utilize Eucalyptus for forest rehabilitation purposes, due to the tree's fast-growing characteristic that is able to accelerate soil restoration for degraded forest. Eucalyptus has a deep root system that can help to hold the soil and is able to reach moisture deep in the ground, in order to survive droughts. This study was conducted to determine the impact of forest rehabilitation on degraded land using Eucalyptus spp. The soil properties were determined prior to planting (October 2017) and after planting (August 2018). Soil analyses showed that there is improvement in selected soil properties after a year of planting.

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“…With the recent growth in the forestry sector in Brazil, the planted forest area in 2018 reached 7.83 million ha, representing 1.3% of the GDP and 6.9% of the industrial GDP (IBÁ 2019). Species of Eucalyptus are favored for wood production in commercial forests in Brazil as one of the main strategies to reduce the deforestation of native forests and supply wood for energy and timber (Ferraz et al 2019).…”

Section: Introductionmentioning

confidence: 99%

High-throughput phenotyping of two plant-size traits of Eucalyptus species using neural networks

et al. 2021

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In forest modeling to estimate the volume of wood, artificial intelligence has been shown to be quite efficient, especially using artificial neural networks (ANNs). Here we tested whether diameter at breast height (DBH) and the total plant height (Ht) of eucalyptus can be predicted at the stand level using spectral bands measured by an unmanned aerial vehicle (UAV) multispectral sensor and vegetation indices. To do so, using the data obtained by the UAV as input variables, we tested different configurations (number of hidden layers and number of neurons in each layer) of ANNs for predicting DBH and Ht at stand level for different Eucalyptus species. The experimental design was randomized blocks with four replicates, with 20 trees in each experimental plot. The treatments comprised five Eucalyptus species (E. camaldulensis, E. uroplylla, E. saligna, E. grandis, and E. urograndis) and Corymbria citriodora. DBH and Ht for each plot at the stand level were measured seven times in separate overflights by the UAV, so that the multispectral sensor could obtain spectral bands to calculate vegetation indices (VIs). ANNs were then constructed using spectral bands and VIs as input layers, in addition to the categorical variable (species), to predict DBH and Ht at the stand level simultaneously. This report represents one of the first applications of high-throughput phenotyping for plant size traits in Eucalyptus species. In general, ANNs containing three hidden layers gave better statistical performance (higher estimated r, lower estimated root mean squared error–RMSE) due to their greater capacity for self-learning. Among these ANNs, the best contained eight neurons in the first layer, seven in the second, and five in the third (8 − 7 − 5). The results reported here reveal the potential of using the generated models to perform accurate forest inventories based on spectral bands and VIs obtained with a UAV multispectral sensor and ANNs, reducing labor and time.

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Effects of Eucalyptus plantations on streamflow in Brazil: Moving beyond the water use debate

Cited by 52 publications

References 65 publications

Eucalyptus in Malaysia: Review on Environmental Impacts

Eucalyptus in Malaysia: Review on Environmental Impacts

Impact of Forest Rehabilitation using Eucalyptus spp. on Soil Properties at Sg. Betis Forest Reserve, Lojing, Kelantan

High-throughput phenotyping of two plant-size traits of Eucalyptus species using neural networks

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