
Yaron MichaelThe Robert H Smith Faculty of Agriculture, Food and Environment
Yaron Michael
Master of Arts
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46
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Publications (46)
Leaf water potential (ψleaf) is a key indicator of plant water status, but its measurement is labor-intensive and limited in spatial coverage. While remote sensing has emerged as a useful tool for estimating vegetation water status, ψleaf remains unexplored, particularly in mixed forests. Here, we use spectral indices derived from unmanned aerial v...
Global changes and trends have been greatly influencing the way cultural tourism is defined, operated, and developed. These changes require the creation of new measurement and management tools. Given the diverse nature of cultural tourism, one of the most pertaining obstacles hindering its sustainable development is that the required relevant infor...
Background:
Gestational diabetes mellitus (GDM) is associated with reduced gut microbiota richness that was also reported to differ significantly between those living in rural compared to urban environments. Therefore, our aim was to examine the associations between greenness and maternal blood glucose levels and GDM, with microbiome diversity as...
Late blight caused by the oomycete Phytophthora infestans is a most devastating disease of potatoes (Solanum tuberosum). Its early detection is crucial for suppressing disease spread. Necrotic lesions are normally seen in leaves at 4 dpi (days post inoculation) when colonized cells are dead, but early detection of the initial biotrophic growth stag...
Vertical green living walls (VGWs)—growing plants on vertical walls inside or outside buildings—have been suggested as a nature-based solution to improve air quality and comfort in modern cities. However, as with other greenery systems (e.g., agriculture), managing VGW systems requires adequate temporal and spatial monitoring of the plants as well...
Responses of terrestrial ecosystems to climate change have been explored in many regions worldwide. While continued drying and warming may alter process rates and deteriorate the state and performance of ecosystems, it could also lead to more fundamental changes in the mechanisms governing ecosystem functioning. Here we argue that climate change wi...
Wildfire simulations depend on fuel representation. Present fuel models are mainly based on the density and properties of different vegetation types. This study aims to improve the accuracy of WRF-Fire wildfire simulations, by using synthetic-aperture radar (SAR) data to estimate the fuel load and the trend of vegetation index to estimate the dryne...
Background
Few longitudinal studies evaluated the beneficial associations between cumulative residential greenness and site-specific cancer. Our objective was to evaluate the associations between cumulative residential greenness exposure and site-specific cancer incidence (lung, bladder, breast, prostate, and skin cancer) within a registry-based co...
Under the Covid-19 (SARS-CoV-2) pandemic in Israel, almost every taken-for-granted feature of the day-to-day life was affected. This phenomenon and its derived socio-economic effects on cultural tourism have been investigated in a northern peripheral area, Beit She’an Valley, which includes a small urban municipality, Beit She’an town, and a region...
Background and aim
Studies have shown that increased maternal cortisol level is associated with child adverse health outcomes. Hair cortisol (HC) is suitable for assessing long-term circulating cortisol concentration. Only two previous studies reported beneficial associations between cortisol and residential greenness during pregnancy and no study...
Background:
Exposure to heat during pregnancy has been associated with reduced fetal growth. Less is known about associations with cold and the potential for critical time windows of exposure.
Objectives:
We aimed to evaluate, in a national retrospective cohort, critical windows of susceptibility during pregnancy to extreme temperatures (low and...
Environmental and economic constraints are forcing farmers to be more precise in the rates and timing of nitrogen (N) fertilizer application to wheat. In practice, N is frequently applied without knowledge of the precise amount needed or the likelihood of significant protein enhancement. The objective of this study was to help farmers optimize top...
Fire risk mapping-mapping the probability of fire occurrence and spread-is essential for pre-fire management as well as for efficient firefighting efforts. Most fire risk maps are generated using static information on variables such as topography, vegetation density, and fuel instantaneous wetness. Satellites are often used to provide such informat...
השטחים הפתוחים והחורשות הנמצאות במרקם העירוני הינם בעלי חשיבות אקולוגית, סביבתית
וחברתית רבה ועל כן יש צורך לשמרם ולטפחם.
אירועי השריפות בשנת 2016 במיוחד באזור הצפון )חיפה/זיכרון יעקב( התרחשו באזור המוגדר
כ"רצועת הספר העירונית" ) Wildland-urban interface (. סוג זה של שריפה חשף את
הרגישות של שטחים אלו לפגיעה והפרעה בנוף העירוני ואת הצורך המיידי בשיק...
We use the newly-launched Israeli-French VENuS satellite to drive our Crop RS-Met model for soil water content, evaluating our model in experimental wheat fields.
Spatial synchrony is ubiquitous in nature, and its decrease with the distance is an important feature that affects the viability of spatially structured populations. Here we present an empirical study of spatial synchrony in terrestrial vegetation using large scale remote sensing data. The decrease of synchrony with distance, as expressed by the co...
ABSTRACT
Background: Natural environments may have beneficial impacts on pregnancy outcomes. However, longitudinal evidence is limited and the associations with variance in surrounding greenness is unknown. Our objective was to evaluate these associations among 73 221 livebirths in Tel Aviv, Israel.
Methods: Longitudinal exposure to mean of greenne...
The wildland-urban interface (WUI)-the area where wildland vegetation and urban buildings intermix-is at a greater risk of fire occurrence because of extensive human activity in that area. Although satellite remote sensing has become a major tool for assessing fire damage in wildlands, it is unsuitable for WUI fire monitoring due to the low spatial...
The process of desertification in the semi-arid climatic zone is considered by many as a catastrophic regime shift, since the positive feedback of vegetation density on growth rates yields a system that admits alternative steady states. Some support to this idea comes from the analysis of static patterns, where peaks of the vegetation density histo...
Local response curve (rainfall lines 100–1000 [mm/year]).
(TIFF)
Local response curve—Data points (rainfall lines 100–500 [mm/year], years 2002-2015).
(TIFF)
Example of EVI index and the normalized EVI index.
A sample of 2250km2 from the studied area (latitude: 14.7° − 15.02° and longitude: 19.3° − 19.6°).
(TIFF)
Spatial response curve between years 2002-2015 (rainfall lines 100–1000 [mm/year]).
(TIFF)
Local response curve—With errorbars (rainfall lines 100–1000 [mm/year], years 1999-2002).
(TIFF)
Local response curve—Data points (rainfall lines 100–500 [mm/year], years 1999-2002).
(TIFF)
Local response curve—Data points (rainfall lines 900–1000 [mm/year], years 1999-2002).
(TIFF)
Local response curve—Data points (rainfall lines 500–900 [mm/year], years 2002-2015).
(TIFF)
Local response curve—With errorbars (rainfall lines 100–1000 [mm/year], years 2002-2015).
(TIFF)
Correlation coefficient and number of pixels for rainfall lines 100-1000 [mm/year].
(TIFF)
Spatial response curve between years 1999-2002 (rainfall lines 100–1000 [mm/year]).
(TIFF)
Local response curve—Data points (rainfall lines 500–900 [mm/year], years 1999-2002).
(TIFF)
Local response curve—Data points (rainfall lines 900–1000 [mm/year], years 2002-2015).
(TIFF)
Histograms (rainfall lines 100–1000 [mm/year]).
(TIFF)
The process of desertification in the semi-arid climatic zone is considered by many as a catastrophic regime shift, since the positive feedback of vegetation density on growth rates yields a system that admits alternative steady states. Some support to this idea comes from the analysis of static patterns, where peaks of the vegetation density histo...
City's climate change has received much focus in the past few decades. Heat stress, especially in the urban area, has an adverse effect on human health. This effect is expected to worsen in the future due to climate change causing an increase in the frequency and intensity of heat waves. Urban regions are particularly at risk because of the urban H...