Jobin Joseph

ORCID: 0000-0002-6342-2505
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About
Contact & Profiles
Research Areas
  • Plant Water Relations and Carbon Dynamics
  • Atmospheric and Environmental Gas Dynamics
  • Soil Carbon and Nitrogen Dynamics
  • Plant responses to elevated CO2
  • Ecology and Vegetation Dynamics Studies
  • Tree-ring climate responses
  • Forest ecology and management
  • Isotope Analysis in Ecology
  • Hydrocarbon exploration and reservoir analysis
  • Geology and Paleoclimatology Research
  • Plant Molecular Biology Research
  • Lichen and fungal ecology
  • Plant nutrient uptake and metabolism
  • Fatigue and fracture mechanics
  • Groundwater and Isotope Geochemistry
  • Atmospheric Ozone and Climate
  • Peatlands and Wetlands Ecology
  • Insect and Arachnid Ecology and Behavior
  • Wastewater Treatment and Nitrogen Removal
  • Plant and animal studies
  • Lepidoptera: Biology and Taxonomy
  • Plant responses to water stress
  • Amino Acid Enzymes and Metabolism
  • Soil and Unsaturated Flow
  • scientometrics and bibliometrics research

Swiss Federal Institute for Forest, Snow and Landscape Research
2016-2024

Vignana Jyothi Institute of Management
2023

Rajagiri Hospital
2023

Rajagiri College of Social Sciences (Autonomous)
2023

Kerala Agricultural University
2012

Significance Climate change increases the frequency of drought events and leads to higher variability in precipitation. Drought impairs rhizosphere (root root-associated microbiome) functioning trees a reduced assimilate supply belowground. It remains unclear if thus whole-tree can quickly recover after release. We show that metabolic activity previously drought-exposed 100-y-old Scots pine increased response subtle soil moisture (induced by light rainfall). As consequence this change,...

10.1073/pnas.2014084117 article EN Proceedings of the National Academy of Sciences 2020-09-21

Abstract Above and belowground compartments in ecosystems are closely coupled on daily to annual timescales. In mature forests, this interlinkage how it is impacted by drought still poorly understood. Here, we pulse‐labelled 100‐year‐old trees with 13 CO 2 within a 15‐year‐long irrigation experiment naturally dry pine forest quantify regime affects the transfer use of assimilates from rhizosphere associated microbial communities. It took 4 days until new C‐labelled were allocated...

10.1111/gcb.15557 article EN Global Change Biology 2021-03-19

Research on drought impact tree functioning is focussed primarily water and carbon (C) dynamics. Changes in nutrient uptake might also affect performance under there a need to explore underlying mechanisms. We investigated effects of (a) situ nitrogen (N) uptake, accounting for both, N availability fine roots soil actual (b) physiological capacity (c) the new assimilates influencing using 15N 13C labelling. assessed saplings six different species (Acer pseudoplatanus L., Fagus sylvatica...

10.1093/treephys/tpaa146 article EN Tree Physiology 2020-10-30

Summary The link between above‐ and belowground communities is a key uncertainty in drought rewetting effects on forest carbon (C) cycle. In young beech model ecosystems mature naturally dry pine exposed to 15‐yr‐long irrigation, we performed 13 C pulse labeling experiments, one during 2 wk after rewetting, tracing tree assimilates into rhizosphere communities. pulses applied crowns reached soil microbial of the forests 4 d later, respectively. Drought decreased transfer labeled relative...

10.1111/nph.19612 article EN cc-by New Phytologist 2024-02-25

Abstract The carbon and oxygen isotopic composition of water assimilates in plants reveals valuable information on plant responses to climatic conditions. Yet, the uptake, incorporation allocation processes determining compositions are not fully understood. We carried out a dual-isotope labeling experiment at high humidity with 18O-enriched (H218O) 13C-enriched CO2 (13CO2) attached Scots pine (Pinus sylvestris L.) branches detached twigs hemiparasitic mistletoes (Viscum album ssp....

10.1093/treephys/tpaa114 article EN Tree Physiology 2020-09-01

Abstract. The short-term dynamics of carbon and water fluxes across the soil–plant–atmosphere continuum are still not fully understood. One important constraint is lack methodologies that enable simultaneous measurements soil CO2 concentration respective isotopic composition at a high temporal resolution for longer periods time. δ13C can be used to derive information on origin physiological history carbon, δ18O in aids inferring interaction between water. We established real-time method...

10.5194/soil-5-49-2019 article EN cc-by SOIL 2019-01-31

The dawn of Industry 5.0 and the ongoing digital revolution have shepherded a paradigm shift, disrupting established global systems heralding rise new careers management approaches. A central aspect this transformation is continuous change, making resilience professionals critical factor for success companies. This descriptive research systematically examines how Technical Competency organizational leadership contribute to nurturing their resilience. responses from 345 collected through...

10.1109/temscon-aspac59527.2023.10531436 article EN 2023-12-14

Raorchestes resplendens, a Critically Endangered rhacophorid frog until now is known only from the type locality, Anamudi summit in Eravikulam National Park, southern Western Ghats, Kerala. This species has been sighted hitherto unknown location, but within Park. The current sighting location of about 20km north-east to locality. report increased range R. resplendens and also emphasis cryptic behavior microclimate requirement this species. once again signifies importance for conservation...

10.11609/jott.o3214.3082-4 article EN cc-by Journal of Threatened Taxa 2012-09-26

Abstract Ability to join aluminum alloy steel enables weight reduction of automobile bodies. Gas tungsten arc welding (GTAW) process was employed weld-braze A8011-H14 galvanized in lap configuration. The influence heat input on bead formation and joint strength investigated. microstructural characterization carried out using an optical microscope scanning electron microscope. chemical composition analyzed energy dispersive spectroscopy technique. various regions interest are aluminum/bead...

10.37591/jotcsta.v5i3.710 article EN Journal of Thin Films Coating Science Technology and Application 2018-07-06

Abstract. The short-term dynamics of carbon and water fluxes across the soil–plant–atmosphere continuum are still not fully understood. One important constraint is lack methodologies that enable simultaneous measurements soil CO2 concentration its isotopic composition at a high temporal resolution for longer periods time. δ13C can be used to derive information on origin physiological history δ18O in aids infer interaction between water. We established real-time method measuring...

10.5194/soil-2018-9 preprint EN cc-by 2018-05-30

The modern-day society is termed as knowledge society. Research an inevitable part in promoting and polishing knowledge. This fact forced the to allocate more money resources support research endeavors thereby creation of new In this juncture metrics studies assume greater importance, especially bibliometric analysis. Bibliometric analysis helps researchers locate trends find out gaps easily carryout fruitfully. articles journal Fungal Ecology helpful locating facts related ecology...

10.2139/ssrn.4618454 preprint EN 2023-01-01

<p>Analysing stable isotope composition of biologic components can be a powerful tool to reconstruct past environmental conditions, physiological responses, and trace metabolic pathways. The analysis the carbon-bound non-exchangeable hydrogen ratios (δ<sup>2</sup>H<sub>NE</sub>) in carbohydrates challenging, partly due exchangeability oxygen-bound same molecule with those water or vapour. To eliminate such...

10.5194/egusphere-egu2020-20785 article EN 2020-03-10

<p>It is getting more and clear that the sink activity in trees strongly determines carbon (C) uptake within-plant C distribution. Here we show short- long-term changes water availability impacted belowground (mycorrhizosphere) strength, which however, not only affected transport to roots but also nitrogen (N) by tree N allocation aboveground tissues. The negative drought impact on might be a result of reduced root growth lower recent assimilates for mobilizing inorganic soil...

10.5194/egusphere-egu22-1638 preprint EN 2022-03-27
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