Wetland day 2020 kasaragod birders
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This document discusses Wetland Day 2020 and the Asian Waterbird Census (AWC) conducted in Kasaragod, India. The AWC aims to count wetland birds annually to monitor populations, distribution, and raise public awareness of wetland conservation issues. In January 2020, 15 important wetland sites in Kasaragod were surveyed by a team of 8 birders. A total of over 400 individual birds of 60 species were counted, including threatened species. The results will help long-term monitoring of waterbird populations and conservation efforts in the region.
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This is a short talk that I gave at the Banff International Research Station workshop on Modeling and Theory in Population Biology. The idea is to try to understand how the burden of natural selection relates to the amount of information that selection puts into the genome.
It's based on the first part of this research paper:
The cost of information acquisition by natural selection
Ryan Seamus McGee, Olivia Kosterlitz, Artem Kaznatcheev, Benjamin Kerr, Carl T. Bergstrom
bioRxiv 2022.07.02.498577; doi: https://doi.org/10.1101/2022.07.02.498577
EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
Context. With a mass exceeding several 104 M⊙ and a rich and dense population of massive stars, supermassive young star clusters
represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions
among stars.
Aims. In this paper we present the Extended Westerlund 1 and 2 Open Clusters Survey (EWOCS) project, which aims to investigate
the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars.
The primary targets of this project are Westerlund 1 and 2, the closest supermassive star clusters to the Sun.
Methods. The project is based primarily on recent observations conducted with the Chandra and JWST observatories. Specifically,
the Chandra survey of Westerlund 1 consists of 36 new ACIS-I observations, nearly co-pointed, for a total exposure time of 1 Msec.
Additionally, we included 8 archival Chandra/ACIS-S observations. This paper presents the resulting catalog of X-ray sources within
and around Westerlund 1. Sources were detected by combining various existing methods, and photon extraction and source validation
were carried out using the ACIS-Extract software.
Results. The EWOCS X-ray catalog comprises 5963 validated sources out of the 9420 initially provided to ACIS-Extract, reaching a
photon flux threshold of approximately 2 × 10−8 photons cm−2
s
−1
. The X-ray sources exhibit a highly concentrated spatial distribution,
with 1075 sources located within the central 1 arcmin. We have successfully detected X-ray emissions from 126 out of the 166 known
massive stars of the cluster, and we have collected over 71 000 photons from the magnetar CXO J164710.20-455217.
Thornton ESPP slides UK WW Network 4_6_24.pdf
ESPP presentation to EU Waste Water Network, 4th June 2024 “EU policies driving nutrient removal and recycling
and the revised UWWTD (Urban Waste Water Treatment Directive)”
The use of Nauplii and metanauplii artemia in aquaculture (brine shrimp).pptx
Although Artemia has been known to man for centuries, its use as a food for the culture of larval organisms apparently began only in the 1930s, when several investigators found that it made an excellent food for newly hatched fish larvae (Litvinenko et al., 2023). As aquaculture developed in the 1960s and ‘70s, the use of Artemia also became more widespread, due both to its convenience and to its nutritional value for larval organisms (Arenas-Pardo et al., 2024). The fact that Artemia dormant cysts can be stored for long periods in cans, and then used as an off-the-shelf food requiring only 24 h of incubation makes them the most convenient, least labor-intensive, live food available for aquaculture (Sorgeloos & Roubach, 2021). The nutritional value of Artemia, especially for marine organisms, is not constant, but varies both geographically and temporally. During the last decade, however, both the causes of Artemia nutritional variability and methods to improve poorquality Artemia have been identified (Loufi et al., 2024).
Brine shrimp (Artemia spp.) are used in marine aquaculture worldwide. Annually, more than 2,000 metric tons of dry cysts are used for cultivation of fish, crustacean, and shellfish larva. Brine shrimp are important to aquaculture because newly hatched brine shrimp nauplii (larvae) provide a food source for many fish fry (Mozanzadeh et al., 2021). Culture and harvesting of brine shrimp eggs represents another aspect of the aquaculture industry. Nauplii and metanauplii of Artemia, commonly known as brine shrimp, play a crucial role in aquaculture due to their nutritional value and suitability as live feed for many aquatic species, particularly in larval stages (Sorgeloos & Roubach, 2021).
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...Advanced-Concepts-Team
Presentation in the Science Coffee of the Advanced Concepts Team of the European Space Agency on the 07.06.2024.
Speaker: Diego Blas (IFAE/ICREA)
Title: Gravitational wave detection with orbital motion of Moon and artificial
Abstract:
In this talk I will describe some recent ideas to find gravitational waves from supermassive black holes or of primordial origin by studying their secular effect on the orbital motion of the Moon or satellites that are laser ranged.Shallowest Oil Discovery of Turkiye.pptx
The Petroleum System of the Çukurova Field - the Shallowest Oil Discovery of Türkiye, Adana
8.Isolation of pure cultures and preservation of cultures.pdf
Isolation of pure culture, its various method.
Equivariant neural networks and representation theory
Or: Beyond linear.
Abstract: Equivariant neural networks are neural networks that incorporate symmetries. The nonlinear activation functions in these networks result in interesting nonlinear equivariant maps between simple representations, and motivate the key player of this talk: piecewise linear representation theory.
Disclaimer: No one is perfect, so please mind that there might be mistakes and typos.
dtubbenhauer@gmail.com
Corrected slides: dtubbenhauer.com/talks.html
THEMATIC APPERCEPTION TEST(TAT) cognitive abilities, creativity, and critic...
THEMATIC APPERCEPTION TEST(TAT) cognitive abilities, creativity, and critic...Abdul Wali Khan University Mardan,kP,Pakistan
hematic appreciation test is a psychological assessment tool used to measure an individual's appreciation and understanding of specific themes or topics. This test helps to evaluate an individual's ability to connect different ideas and concepts within a given theme, as well as their overall comprehension and interpretation skills. The results of the test can provide valuable insights into an individual's cognitive abilities, creativity, and critical thinking skillsThe binding of cosmological structures by massless topological defects
Assuming spherical symmetry and weak field, it is shown that if one solves the Poisson equation or the Einstein field
equations sourced by a topological defect, i.e. a singularity of a very specific form, the result is a localized gravitational
field capable of driving flat rotation (i.e. Keplerian circular orbits at a constant speed for all radii) of test masses on a thin
spherical shell without any underlying mass. Moreover, a large-scale structure which exploits this solution by assembling
concentrically a number of such topological defects can establish a flat stellar or galactic rotation curve, and can also deflect
light in the same manner as an equipotential (isothermal) sphere. Thus, the need for dark matter or modified gravity theory is
mitigated, at least in part.
The debris of the ‘last major merger’ is dynamically young
The Milky Way’s (MW) inner stellar halo contains an [Fe/H]-rich component with highly eccentric orbits, often referred to as the
‘last major merger.’ Hypotheses for the origin of this component include Gaia-Sausage/Enceladus (GSE), where the progenitor
collided with the MW proto-disc 8–11 Gyr ago, and the Virgo Radial Merger (VRM), where the progenitor collided with the
MW disc within the last 3 Gyr. These two scenarios make different predictions about observable structure in local phase space,
because the morphology of debris depends on how long it has had to phase mix. The recently identified phase-space folds in Gaia
DR3 have positive caustic velocities, making them fundamentally different than the phase-mixed chevrons found in simulations
at late times. Roughly 20 per cent of the stars in the prograde local stellar halo are associated with the observed caustics. Based
on a simple phase-mixing model, the observed number of caustics are consistent with a merger that occurred 1–2 Gyr ago.
We also compare the observed phase-space distribution to FIRE-2 Latte simulations of GSE-like mergers, using a quantitative
measurement of phase mixing (2D causticality). The observed local phase-space distribution best matches the simulated data
1–2 Gyr after collision, and certainly not later than 3 Gyr. This is further evidence that the progenitor of the ‘last major merger’
did not collide with the MW proto-disc at early times, as is thought for the GSE, but instead collided with the MW disc within
the last few Gyr, consistent with the body of work surrounding the VRM.
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Wetland day 2020 kasaragod birders
- 1. WETLAND DAY 2020 RAJU KIDOOR & MAXIM RODRIGUES (KASARAGOD BIRDERS) Piculet.pitta@gmail.com
- 2. AWC? • Asian Waterbird Census • Largest census of waterbirds organized by Wetlands International • To count wetland birds • To know their presence • To know their population • To know their distribution
- 3. OTHER AIMS • Public awareness • Issues related to specific wetlands • Point of conservation
- 4. AWC 2020 KASARAGOD KASARAGOD BIRDERS MAXIM RODRIGUES, RAJU KIDOOR, SHYAMKUMAR PURAVANKARA, JESHMA JEVITA DSOUZA, ROHAN RAI, PRANAV KARLE, HARISH BABU & SANURAJ T.K
- 5. WHY COUNT WATERBIRDS? • LONG TERM MONITORING (Population changes) • WHERE? • LAKES, ESTUARIES, PADDYFIELDS
- 6. INSTRUCTIONS • COVER MOST IMP WETLANDS SITES • SITE BOUNDARY • REPEAT IT EVERY YEAR (LTBM) • COLLECT BASIC INFORMATION , WETLAND CHARACTERISTICS, MAIN USES, THREATS TO WETLANDS AND WATERBIRDS
- 7. AWC DONE 2020 1. ARANTHODE (MAXIM) 2. BAMBRANABAYALU (RAJU KIDOOR & PRANAV KARLE) 3. BATTEKALA, VORKADY (MAXIM & ROHAN) 4. CHEMMATAMVAYAL (Shyamkumar, Jeshma & Maxim) 5. CHITTARI ESTUARY (HARISH BABU) 6. GOLIDHADI, KUNJATHUR PADDYFIELDS (MAXIM & ROHAN) 7. KANVATHEERTHA (MAXIM & ROHAN) 8. KUMBLA-SHIRIYA ESTUARY (MAXIM) 9. MANJESHWAR (MAXIM & ROHAN) 10. PADU PUTHIGE (MAXIM & JESHMA) 11. PAVOOR AREA (MAXIM & ROHAN) 12. PERALATHVAYAL (Shyamkumar, Jeshma & Maxim) 13. PUTHIGE WETLAND (MAXIM & JESHMA) 14. KANNANKAI WETLAND (PILICODE) (MAXIM & SANURAJ) 15. AREEKADAV (MAXIM & SANURAJ)
- 13. RESULTS (total sp) 60 48 0 67 0 20 31 0 46 24 30 53 32 0 0 0 10 20 30 40 50 60 70 80 NO OF SPECIES NO OF SPECIES
- 14. • Anseriformes = Lesser Whistling Duck, Cotton Teal, Gargany • Other Migratory ducks? • Grebe? • Cormorants? • Darter? • Pratincoles?
- 15. Threatened Birds SL NO English name Threat_2018 1Asian Woollyneck Vulnerable 2Black-headed Ibis Near Threatened 3Oriental Darter Near Threatened 4Eurasian Curlew Near Threatened 5Black-tailed Godwit Near Threatened 6Rufous-bellied Eagle Near Threatened 7Grey-headed Bulbul Near Threatened Praveen et.al., 2019
- 18. • Good birding for jan • More public participation • More outreach towards public through medias • News, whatsapp, facebook, blog
- 19. What more? • Proper planing • Monitoring same location every year (LTBM) • Gap between birders
- 20. THANK YOU