Daijiang Li
@_djli
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Assistant Professor at LSU. Global change ecologist; Statistician; Community ecology; Bioinformatic; R enthusiasm, #WisAlumni .
Baton Rouge, LA
Joined June 2010
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Pinned Tweet
We are looking for 2 PhD students to join us at
@LSU_BioSci
and
@LSUCCT
in fall 2022! We study how environmental changes have and will affect
#biodiversity
,
#bioticInteractions
,
#phenology
across different organisms and systems. Get in touch if interested! RT appreciated!
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Our proposal to build a global plant phenology database (PhenoBase) is recommended by
@NSF
! We will integrate existing pheno. networks, extract phenology from images at
@inaturalist
@GBIF
@PBudBurst
@iDigBio
using deep learning. Team
@robgural
@carrieseltzer
@EmmaOschrin
et al.
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419
I am thrilled to share that in Fall 2020, I'll be starting as an Assistant Professor in the Department of Biology
@LSU_BioSci
and the Center of Computation and Technology
@LSUCCT
at the Louisiana State University
@LSU
.
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rtrees: an R package to assemble phylogenetic trees from megatrees for multiple taxonomic groups. Please try it out and report any problems.
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Dear all, I am recruiting 2 PhD students, 1 lab technician, and 1 postdoc. Details about the lab and the opportunities can be found here Can you please help spreading the words with people who may be interested? Thank you!!!
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phyr: An R package for phylogenetic species‐distribution modelling in ecological communities Great collaboration with
@ecologician
@LucasANell
@MRHelmus
@arives_UW
!
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I am looking for 2
#PhD
students for fall 2021
@LSU_BioSci
and
@LSUCCT
! Feel free to contact me if you are interested. Tweeps, please help spreading the words. Thanks!
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Our lab is moving to the EEB department at the University of Arizona
@UofAEEB
this fall. We are excited about the move but also sad to say goodbye to so many great colleagues and friends here at LSU! We for sure will remember and appreciate this incredible journey here.
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Hey
#Botany2021
, we have 2 funded PhD student positions! If you are interested in biodiversity, phenology, statistics, data science, global change biology, etc., please contact me! Thanks!
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We are going to build a global plant phenology database (Phenobase) using resources from
@USANPN
@inaturalist
@PBudBurst
@iDigBio
etc. I am really excited about this project and tons of things to learn/overcome.
@robgural
@carrieseltzer
@EmmaOschrin
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If you use
@iNaturalist
to upload plant observations, on its webpage or Android app, you can make annotations regarding plant phenology (e.g., flowering, fruiting). This would be super helpful for phenology studies!
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Congrats! Very happy to be an Early Career Fellow of ESA. I am grateful for all the support my mentors, colleagues, students, and friends have given me over the past years.
📣We're happy to announce the 2024 class of ESA Fellows and Early Career Fellows!
Congratulations to these ecologists whose pioneering research, dedicated mentorship & tireless advocacy improve our science & society
Read the full announcement:
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Interesting in calculating diversity values through Hill numbers? Check out the latest version of `hillR`
#rstats
package. The phylogenetic diversity calculations are much faster in this version.
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NSF award to study eco-evo drivers of Nitrogen fixing plants at continental scale? Finally funded! Super excited to work with
@ry_folk
@robgural
@solislemuslab
in the next several years on this exciting project! We will look for a postdoc soon. DM or email me if interested.
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We used data from
@inaturalist
to investigate how flowering duration change across spatial and environmental gradient.
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We are hiring a postdoc to develop machine learning methods to extract phenological information from images. Ecologists with ML or data science skills are strongly encouraged to apply! Remote working is possible. Please RT and spread the word, thanks!
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For common community phylogenetic analyses, go ahead and use synthesis phylogenies - Li -
@ESAEcology
- Supper excited to see this collaboration with
@soltislab
@lbtrotta
@Miao_the_Sun
@marxhannah
@robgural
et al. online!
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Apply or RT: We are hiring a postdoc to work with a great team on building a global plant
#phenology
database. Ecologists with ML or data science skills OR a strong willing to learn such skills are strongly encouraged to apply!
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I just updated an
#RStats
package {rtrees} to assemble phylogenies from mega trees. Feel free to test it out and report any issues on Github (). Thanks!
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We made the cover of
@GlobalChangeBio
!! Paper here Great team work with lots of people from
@robgural
lab.
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How does urbanization affect plant phenology? Well, it depends on which area you are talking about. See our paper published on
@NatureEcoEvo
today! Great collaboration with
@robgural
@BaiserLab
et al.
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I don’t have any papers/good news to share. Instead, let me share my view this morning when commuting to work.
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Thinking about using
@NEON_sci
data for biodiversity research but don't know where to start with? We get you covered with a brief 'road map' here! A truly collaborative project!
@record_lab
@yyachung
@MRHelmus
@majarzyna
@PLZarnetske
@norman_kari
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Still accepting applications for the
#postdoc
position in the lab to build a global database of plant phenology by integrating existing data and extracting new data from images using
#deeplearning
methods. I can meet at ESA in early August if interested.
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Graduated recently or finishing up your PhD soon & interested in
#biodiversity
,
#phenology
, and/or community ecology? Check out this new
#postdoc
position in my team
@LSU_BioSci
and
@LSUCCT
. Inquiries welcome. Please RT and share with others. Thanks!
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Standardized
@NEON_sci
organismal data for biodiversity research; finally published for a long time. Hopefully it will be useful for the community. Great team work with
@record_lab
@Antarctic_Bio
@yyachung
@majarzyna
@MRHelmus
@PLZarnetske
and many others
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After multiple rejections and a long time, my paper with
@robgural
and others was accepted by Nature Ecology & Evolution; paper with
@Texosporium
and Susan Harrison was accepted by PNAS! Stay tuned.
#rejectionIsTheRule
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A package to calculate biodiversity via Hill Numbers. I originally coded for my own project and decide to put it together as pkg. Hope it will be helpful for someone else.
#rstats
#biodiversity
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It is my great honor to be on this
@PNASNews
article with
@M_J_Spasojevic
and Susan Harrison. Please check it out if you are interested in climate change and biodiversity.
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Super excited to see this in press at
@GlobalChangeBio
! Through lab meetings at
@robgural
, we conducted this project to look at how start, end, and duration of plant flowering
#phenology
change over space; and how they will change in the future.
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Multiple studies found that local diversity has not declined but communities are different overtime. What are the trends of local diversity and spatial regional diversity? See our latest paper here
@record_lab
@oldenfish
@BaiserLab
et al.
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A surprise from my awesome lab this morning during our lab meeting, during which
@PabloMorenoGar6
led a great discussion about how to navigate the graduate school.
@fla_montano
@EvelinReyes1010
@HitRooh
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NSF Postdoc Research Fellowship is due December 6 this year! I'd love to work with underrepresented ecologists to develop a proposal! DM or email me if you are interested in biodiversity, phenology, species interactions, and data science!
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I put together a small
#rstats
package to calculate taxonomic, functional, and phylogenetic diversity through Hill numbers. Feel free to use and test it.
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We are going to
@idiv
soon to have workshops to work on urban invasion ecology with many experts, including
@LukeJPotgieter
@urban_sci
@BaiserLab
@KuhnIngolf
@fla_montano
@lbtrotta
and many more! Super excited and appreciate the funding from
@idiv
!
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Great book by Tony Ives about mixed and phylogenetic models for correlated data and more. Consider buy Tony a coffee when you download this awesome free book!!
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Great collaboration on Climate drives loss of phylogenetic diversity in a grassland community
@Texosporium
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Missing
#botany2020
this year. If you are interested in how plant communities, biodiversity, and plant functional traits including phenology change in responses to global changes, please get in touch. I am looking for a postdoc and 1-2 graduate students next year at
@LSU_BioSci
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Lab website is online! The design was heavily inspired by others including
@poisotlab
@edamschen
@xieyihui
etc. It is still in the beta stage, comments are welcome!
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#PhenologyFriday
@SEVLTER
in New Mexico while attending the
@NSF
funded
#urbanecoevoLTER
. Lots of flowers here! First time see a dry land flora in person.
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I am so stressed out now about many things, cannot focus on working at all! I hope others are doing well; stay healthy and safe everyone!
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We can annotate plant phenology for observations on
@inaturalist
. Super excited to see this!
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Looking for a postdoc? Interested in how global changes affect ecological communities and quantitative methods? Feel free to reach me and discuss about ideas for postdoc fellowships!
#ESA2020
During the
#ESA2020
presentation by
@NSF
DEB, program officers mentioned that more
#postdoctoral
fellowships in Biology may be funded this year and next to help early career researchers bridge the gap caused by
#COVID19
.
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Excited to share this paper; lots of unanswered questions to follow up! Urbanization delays plant leaf senescence and extends growing season length in cold but not in warm areas of the Northern Hemisphere
@robgural
@BaiserLab
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We will look for graduate students and postdocs soon. If you are interested in working with us together, please reach out! Read more about our lab here
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I fall badly from my bike this morning to avoid a suddenly appeared car. I was on a down slope and suddenly the car appeared; I used my front brake as I did not have time to think. Then my bike and I flipped 360° in the air and fall. Fortunately I only had scratches, but scaring!
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Got the proof of a paper at Saturday morning and they ask to return in 48 hours. NO! Not going to happen.
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We are hiring a
#postdoc
($65k/yr) with skills such as ontology development, deep learning, dataset management to help us build Phenobase! Please RT and spread the words, thanks!!
We are going to build a global plant phenology database (Phenobase) using resources from
@USANPN
@inaturalist
@PBudBurst
@iDigBio
etc. I am really excited about this project and tons of things to learn/overcome.
@robgural
@carrieseltzer
@EmmaOschrin
3
29
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The statistical need to include phylogeny in trait-based analyses of community composition.
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Spend almost a whole day to collect biomass, measure light, and disturb soil! Things always take longer than expected, even with these awesome tools. Still need to remove roots later. Ecological data are not easy to collect even though they may seem so on papers!
@DragnetGlobal
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Nice to see our study got some attention from
@NSF
. Using citizen science data to investigate unseasonal flowering in Joshua trees
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I paid more federal tax than your
#45
and I am not even an American citizen.
Exclusive: The Times has obtained tax-return data for President Trump extending over more than two decades.
It shows his finances under stress, beset by losses that he aggressively employs to avoid paying taxes and hundreds of millions in debt coming due.
10K
49K
115K
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A lab technician position is available in my lab. Please share with those who may be interested. Thanks!
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I avoided it for 2.5 years till now… I know it is a matter of time. Having bad cold symptoms now, hopefully it will be better soon. Sign.
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Happy holidays everyone! It has been a tough year and let’s hope 2022 will be better.
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Great opportunity! Happy to chat about potential ideas on biodiversity, phenology, or species interactions.
2025
@SmithFellows
Request for Proposals Announced! Deadline is September 30, 2024. View the proposal guidelines here:
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The total number of observations on
@inaturalist
has not declined because of
#COVID19
; the rate has and the gap between weekdays and weekend is narrowing. I guess I am not the only one who doesn't know which day is it today.
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Mammalian body size is determined by interactions between climate, urbanization, and ecological traits!
@MaggieHantak
@bryansmclean
@robgural
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Hopefully we will be fine… highest wind speed here will be 100km per hour (>60 mph) and we are right on the path center of
#hurricanida
. One thing for sure is that hurricane will be more frequent and stronger with global warming.
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Had a fantastic visit at
@WUSTLBio
giving a department seminar. Had excellent meetings with wonderful people like
@JLosos
@jamyersecology
@JoanStrassmann
@RachelPenczy
@landismj
et al. Thanks
@jamyersecology
for the invite and being a great host!!
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A huge amount of work over a decade by multiple researchers!
A new
#FreeAccess
Data Paper in
@ESAEcology
:
Functional trait data for vascular plant species from northeastern North America
With
#OpenData
in
@OSFramework
#PlantFunctionalTraits
#FunctionalDiversity
#IntraspecificVariation
#Wisconsin
#OpenScience
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Rejection is the rule -- a reminder to myself everyday, although it does not make it easier to accept the rejections. Prove them wrong!
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I survived my Ph.D. defense! Thanks all for your help and support! Cannot make it without all your support!
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People say that publishing a book chapter is like writing a paper and bury it deep in the soil. Well, I hope this upcoming chapter can be visible and useful ...
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NSF Postdoc Fellowship in Biology is due Nov. 18th. If you are interested in biodiversity, community ecology, plant phenology, urban ecology and want to apply for it, let's get in touch and chat about ideas!
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Just agreed to review a paper. I think I will hate myself in about 2-3 weeks!
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For comparing phylogenetic diversity among communities, go ahead and use synthesis phylogenies
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Wonderful cocktail party. Thanks
@ry_folk
at
@soltislab
! Good luck for your new journey at Mississippi State University!
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Wow, our simulation preprint about phylogenetic diversity
@biorxivpreprint
has reached 900 readers in about 20 days!
@marxhannah
@Miao_the_Sun
@robgural
@soltislab
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A small
#rstats
package to help with deriving phylogenies from common synthesis trees or user provided trees. Still in early stage. Tests/suggestions/comments/contributions are welcome.
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The role of functional strategies in global plant distribution; quite interesting paper!😃
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