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Sami Rifai

@samirifai.bsky.social

Ecosystem ecologist and remote sensing enthusiast.

1,137 Followers  |  363 Following  |  22 Posts  |  Joined: 03.02.2024
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Posts by Sami Rifai (@samirifai.bsky.social)

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Level B lecturer position in Environmental Botany (plant ecology and plant physiology), School of Life and Environmental Sciences at Deakin Uni, Burwood (Melbourne) #BotanyJobs #PlantSciJobs #PlantEcology 🌾πŸͺ΄πŸŒΏπŸŒ±πŸ§ͺ
Please repost
Applications due 18th January. careers.pageuppeople.com/949/cw/en/jo...

05.01.2026 04:53 β€” πŸ‘ 24    πŸ” 31    πŸ’¬ 0    πŸ“Œ 1
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William Bond, defender of grasslands In recent years, one of the loudest ideas in environmental policy has been that trees are the planet’s universal remedy. Plant enough of them, in enough places, and carbon will be soaked up, water wil...

"Bond’s work leaves behind an inconvenient lesson for an era of climate urgency: that speed is not a substitute for understanding, and that good intentions, applied without care, can erase ancient worlds as efficiently as neglect." A beautiful tribute to William Bond. Forever missed by many.

23.12.2025 07:31 β€” πŸ‘ 59    πŸ” 36    πŸ’¬ 1    πŸ“Œ 3

NCAR’s Mesa Lab is literally a science castle dedicated to understanding our planet in an open and collaborative way, and leading the world in that effort. We cannot let this happen.

17.12.2025 16:02 β€” πŸ‘ 52    πŸ” 27    πŸ’¬ 0    πŸ“Œ 0
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I have been successful on my first DECRA attempt. What a great surprise. #DECRA

Safeguarding Australia's most threatened plants in a drier and hotter world.

25.11.2025 21:34 β€” πŸ‘ 18    πŸ” 3    πŸ’¬ 1    πŸ“Œ 0
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Trump administration pushes ahead with NOAA climate and weather cuts Despite congressional resistance, agency aims to cut research spending now

My latest: The Trump administration is not waiting for the next fiscal year -- or Congress -- to cut climate science at NOAA. A new document details the money it won't spend *this* year on climate research.

25.08.2025 20:40 β€” πŸ‘ 262    πŸ” 171    πŸ’¬ 8    πŸ“Œ 12

Big congrats to Duyen and you!

26.08.2025 10:33 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Thanks Mostafa, that's great! I'll keep that one in mind. Am I correct that it has no NIR channel? I'm still searching for a low cost options (if there are any) that have an NIR band.

18.08.2025 21:48 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Does anyone have suggestions for (moderately priced) phenocams with an NIR band that are still being manufactured?

I get the sense that the standard StarDot cameras are no longer being sold, but haven't found an alternative apart from Campbell's CCFC which looks amazing but is def not cheap.

18.08.2025 01:31 β€” πŸ‘ 3    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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DOE climate report response form We are collecting names to assemble a writing team to respond to the DOE climate working group report. If you'd like to contribute, enter your info below. At this point, there is no guarantee what we'll do (if anything), but we want to keep our options open by collecting names. If you have any further questions, feel free to email me. We are primarily looking for Ph.D. scientists at universities or government labs in appropriate fields. I realize that this will exclude some qualified people and I apologize, but we felt this was necessary for a variety of reasons.

🚨 If you're interested in working on a coordinated response to the DOE climate report, please enter your info on this google form 🚨

Please RT this so as many people see it as possible.

forms.gle/BL9xUAfRxA...

31.07.2025 18:35 β€” πŸ‘ 201    πŸ” 236    πŸ’¬ 12    πŸ“Œ 17
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Learn more about South Australia's new university for the future.

Rare(!) 4-year fellowship available here in South Australia, targeted to people with a few years of postdoc experience and < 8 years post PhD.

careers.adelaide.edu.au/cw/en/job/51...

22.07.2025 00:44 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Responses of tropical forest trees to rising carbon dioxide - conifers versus angiosperms at James Cook University on FindAPhD.com PhD Project - Responses of tropical forest trees to rising carbon dioxide - conifers versus angiosperms at James Cook University, listed on FindAPhD.com

I have an opportunity for a new PhD student in tropical tree ecophysiology in my lab. Some more details at the link below. Please pass along!

www.findaphd.com/phds/project...

17.06.2025 22:41 β€” πŸ‘ 18    πŸ” 21    πŸ’¬ 1    πŸ“Œ 1
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New Article: "Leaf venation network evolution across clades and scales" rdcu.be/epLNP

Evolution of leaf venation networks, from fewer, corrugated veins to high vein density and smoother loops. Herbivory as a potential driver of venation architectural changes.

06.06.2025 17:24 β€” πŸ‘ 94    πŸ” 30    πŸ’¬ 0    πŸ“Œ 3
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A Final Farewell to Landsat 7 The Landsat 7 satellite will receive its final transmission from the U.S. Geological Survey (USGS) on June 4, 2025, at 1:08 PM CST. The satellite launched in April 1999 and will be decommissioned afte...

www.usgs.gov/landsat-miss...

Because of everything that has been going on... this really hits deeper than it should.

06.06.2025 00:01 β€” πŸ‘ 4    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Job Opportunity: Lecturer in Ecology and Global Change at University of Leeds.
We welcome dynamic applicants from across the world to join our team of tropical ecology and global change scientists.
jobs.leeds.ac.uk/Vacancy.aspx...

16.05.2025 08:04 β€” πŸ‘ 37    πŸ” 49    πŸ’¬ 1    πŸ“Œ 0
NSF Grant Termination Information Collection Form

Please use this form to submit information identifying specific NSF grants that have been cancelled for any reason after January 20, 2025.


We are tracking these grants to increase transparency, organize affected PIs, and facilitate responses, including via litigation. Please share the form as widely as possible with your networks. 


We are actively building a pipeline to organize these terminations and will soon have a tracker akin to our NIH grant tracker at https://airtable.com/appjhyo9NTvJLocRy/shrNto1NNp9eJlgpA


WE WILL NOT DISCLOSE THE IDENTITY OF ANYONE WHO USES THIS FORM TO PROVIDE INFORMATION. We will keep your identity confidential.


These resources are maintained by Noam Ross of rOpenSci and Scott Delaney of the Harvard T.H. Chan School of Public Health, with input and support from additional volunteers. For any questions, please contact Scott Delaney on Signal (sdelaney.84).


THANK YOU FOR YOUR ASSISTANCE!

NSF Grant Termination Information Collection Form Please use this form to submit information identifying specific NSF grants that have been cancelled for any reason after January 20, 2025. We are tracking these grants to increase transparency, organize affected PIs, and facilitate responses, including via litigation. Please share the form as widely as possible with your networks. We are actively building a pipeline to organize these terminations and will soon have a tracker akin to our NIH grant tracker at https://airtable.com/appjhyo9NTvJLocRy/shrNto1NNp9eJlgpA WE WILL NOT DISCLOSE THE IDENTITY OF ANYONE WHO USES THIS FORM TO PROVIDE INFORMATION. We will keep your identity confidential. These resources are maintained by Noam Ross of rOpenSci and Scott Delaney of the Harvard T.H. Chan School of Public Health, with input and support from additional volunteers. For any questions, please contact Scott Delaney on Signal (sdelaney.84). THANK YOU FOR YOUR ASSISTANCE!

🚨Report your NSF grant terminations! 🚨

We are starting to collect information on NSF grant terminations to create a shared resource as we have for NIH. The more information we collect, the more we can organize, advocate, and fight back! Please share widely!

airtable.com/appGKlSVeXni...

19.04.2025 00:11 β€” πŸ‘ 640    πŸ” 664    πŸ’¬ 7    πŸ“Œ 50

πŸ§ͺ Tip: You have the right to contest a grant termination, even though NSF says you don't. 🧡

On Friday, NSF terminated 402 grants (per Musk's DOGE).

The notification letters had one of the most egregious violations of fed regulations I've seen so far in these cases:

"not subject to appeal"

20.04.2025 16:33 β€” πŸ‘ 697    πŸ” 488    πŸ’¬ 14    πŸ“Œ 33

This directly affects land-grant universities and their stakeholders as well. UF’s Department of Wildlife Ecology and Conservation be wrecked if we lost our Co-op Unit.

19.04.2025 16:37 β€” πŸ‘ 18    πŸ” 9    πŸ’¬ 0    πŸ“Œ 0
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NOAA Datasets Will Soon Disappear - Eos NOAA has quietly reported that they will soon decommission 14 datasets, products, and catalogs related to earthquakes and marine, coastal, and estuary science.

Here is an article and a list of NOAA datasets expected to end and be unavailable in the next few weeks. Please make sure you get in and download what you need!!
eos.org/research-and...

18.04.2025 02:30 β€” πŸ‘ 37    πŸ” 31    πŸ’¬ 0    πŸ“Œ 0
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INPA procura candidato(a) para pΓ³s-doutorado no Projeto β€œIntegrando a hidrologia do solo e caracterΓ­sticas hidrΓ‘ulicas para entender os riscos de mortalidade Γ s secas das Γ‘rvores gigantes” com o projeto β€œGIGANTE” (www.caryinstitute.org/science/rese...).
@treeco-db.bsky.social @evangora.bsky.social

31.03.2025 10:27 β€” πŸ‘ 6    πŸ” 7    πŸ’¬ 1    πŸ“Œ 1
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Tropical forests in the Americas are changing too slowly to track climate change Understanding the capacity of forests to adapt to climate change is of pivotal importance for conservation science, yet this is still widely unknown. This knowledge gap is particularly acute in high-b...

In our new paper in @science.org, we show that tropical forests are changing over time, but too slowly to track climate change. Our article, led by @jeaggu.bsky.social just out:

www.science.org/doi/10.1126/...

@oxfordgeography.bsky.social
@naturerecovery.bsky.social
@forestplots.bsky.social

07.03.2025 07:56 β€” πŸ‘ 159    πŸ” 68    πŸ’¬ 2    πŸ“Œ 1
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Canopy functional trait variation across Earth’s tropical forests - Nature Data from a variety of sourcesβ€”including satellite, climate and soil data, as well as field-collected information on plant traitsβ€”are pooled and analysed to map the functional diversity of tropical fo...

www.nature.com/articles/s41...

06.03.2025 22:57 β€” πŸ‘ 5    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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www.science.org/doi/10.1126/...

06.03.2025 22:53 β€” πŸ‘ 7    πŸ” 1    πŸ’¬ 1    πŸ“Œ 1
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Tropical forests in the Americas are changing too slowly to track climate change Understanding the capacity of forests to adapt to climate change is of pivotal importance for conservation science, yet this is still widely unknown. This knowledge gap is particularly acute in high-b...

Are tropical forests in the Americas changing as adaptation to ongoing climate change? Yes, they are!
Are these changes enough to track their suitable climate?
Not quite! Check out our paper in @science.org www.science.org/doi/10.1126/... to see more of what our network has been working on!

06.03.2025 21:10 β€” πŸ‘ 105    πŸ” 51    πŸ’¬ 0    πŸ“Œ 1
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Come and celebrate our 150th year. Explore our events, our history, and the foundation we’ve built for the future.

Join us in sunny South Australia! Postdoc position in my group at the University of Adelaide to use UAV LiDAR and remote sensing to examine forest recovery and responses to weather extremes: careers.adelaide.edu.au/cw/en/job/51...

15.01.2025 01:30 β€” πŸ‘ 12    πŸ” 12    πŸ’¬ 0    πŸ“Œ 0
Job Details

Post-doc opportunity in Oxdord for those with a background in Ecology and remote sensing:
my.corehr.com/pls/coreport...

28.12.2024 13:06 β€” πŸ‘ 18    πŸ” 12    πŸ’¬ 1    πŸ“Œ 0
European summer drought

European summer drought

JULES land surface model

JULES land surface model

πŸ“’ 18-month postdoc in my lab doing drought modelling with either the UK land surface model JULES or machine learning. Up to you which. Please share widely (thanks)

www.bristol.ac.uk/jobs/find/de...

Closes: 18th January

11.12.2024 10:31 β€” πŸ‘ 25    πŸ” 30    πŸ’¬ 0    πŸ“Œ 3

Using remote sensing to study climate impacts on vegetation? Consider submitting an abstract to "CCS.18: Monitoring Climate Change Impacts on Vegetation"

2025 IEEE International Geoscience and Remote Sensing Symposium is coming to Brisbane, Australia Aug 3-8

Submission due by 10 January 2025!

29.11.2024 05:10 β€” πŸ‘ 1    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
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Come and celebrate our 150th year. Explore our events, our history, and the foundation we’ve built for the future.

Interested in using remote sensing to study forest recovery following fire?

Well have I got the postdoc advert for you! careers.adelaide.edu.au/cw/en/job/51...

Apply by Nov 21. Two year position based here in Adelaide, South Australia.

11.11.2024 03:49 β€” πŸ‘ 13    πŸ” 11    πŸ’¬ 0    πŸ“Œ 2

I'd love to connect with anyone working in satellite remote sensing/earth observation! πŸ›°οΈπŸŒ

I've started a list of everyone I've found so far - please let me know if you're missing from the list, or if there's anyone else I should add!

go.bsky.app/4PMRhNL

20.10.2024 02:28 β€” πŸ‘ 111    πŸ” 53    πŸ’¬ 47    πŸ“Œ 2