15; body temperatures of two species of desert amphibians
•
0 likes•1,010 views
body temperatures of desert amphibians
Report
Share
Report
Share
Download to read offline
Recommended
Hyla arborea thermal ecology
This document summarizes a study on the thermal ecology of the European tree frog (Hyla arborea) in western France. The study measured body temperatures of 108 frogs over six years during sunny and overcast weather conditions. Body temperatures were higher on sunny days but showed similar variability. Body temperatures correlated most closely with temperatures of shaded leaves, regardless of weather. This suggests H. arborea controls its body temperature through selecting shaded microhabitats, though some frogs were observed basking in sunny areas, even on hot days.
Gamification - How to Think Straight About
A simple, no-nonsense introduction into what gamification is, why you might want to do it, how it works and how to go about designing your own system.
61; road mortalites of reptiles in the vendee
This document summarizes a study on patterns of reptile roadkill in western France over four years. The study found that two lizard species (Lacerta bilineata and Podarcis muralis) and two snake species (Hierophis viridiflavus and Natrix natrix) that are more active foragers had higher roadkill rates, while two more sedentary snake species (Vipera aspis and Natrix maura) had lower rates. Roadkills occurred throughout the reptiles' active season, with differences in the size classes and monthly frequencies of some species. A positive correlation was found between monthly roadkill counts and live sightings for H. viridiflavus
Cfe booklet
The project aims to promote women's rights and career development in Turkey through cooperation between international interns and local universities. Interns from different countries and backgrounds will deliver workshops and coaching to help university students, especially women, prepare for future careers. They will interview successful businesswomen in Turkey and create a booklet highlighting women's rights issues. A culminating event coordinated by the interns will promote these topics. The project timeline outlines orientation, workshop preparation and delivery, student coaching, interviews, event planning and a final report over six weeks. Key performance indicators will measure workshop attendance and effectiveness, interviews conducted, and event participation.
Clonación Humana
La Unión Europea ha acordado un embargo petrolero contra Rusia en respuesta a la invasión de Ucrania. El embargo prohibirá las importaciones marítimas de petróleo ruso a la UE y pondrá fin a las entregas a través de oleoductos dentro de seis meses. Esta medida forma parte de un sexto paquete de sanciones de la UE destinadas a aumentar la presión económica sobre Moscú y privar al Kremlin de fondos para financiar su guerra.
What is Windows 10?
This is a session that I did for my retirement community. It to help our seniors understand what Windows 10 offers and how to use its features. I tried to include a lot to get a good overview of Windows 10. For those already using it, I included some tips & tricks to help use it.
2004 Cancer SOS paper
This document describes a randomized controlled trial that tested the effectiveness of the Cancer Screening Office Systems (Cancer SOS) intervention at increasing cancer screening rates among patients at primary care clinics serving disadvantaged populations.
The intervention included a cancer screening checklist and color-coded stickers to track screening tests. Eight clinics were randomized to the intervention or control group. Screening rates for mammograms, Pap smears, and fecal occult blood tests were compared before and 12 months after the intervention.
The results showed that the intervention significantly increased screening rates for mammograms and fecal occult blood tests compared to the control group, after adjusting for baseline differences. There was also a trend toward increased Pap smear screening. The intervention
Mo publication
Efficient molybdenum(VI) modified Zr-MOF catalysts have been prepared for epoxidation of olefins. Zr-MOF (UiO-66(NH2)) was functionalized with ligands using post-synthesis modification and then loaded with Mo(VI) catalysts via chelating. The Mo(VI) catalysts were highly dispersed on the Zr-MOF, improving contact between substrates and active sites. The Zr-MOF catalysts exhibited high activity for epoxidation of olefins using TBHP or H2O2 as oxidants and showed good thermal stability.
Recommended
Hyla arborea thermal ecology
This document summarizes a study on the thermal ecology of the European tree frog (Hyla arborea) in western France. The study measured body temperatures of 108 frogs over six years during sunny and overcast weather conditions. Body temperatures were higher on sunny days but showed similar variability. Body temperatures correlated most closely with temperatures of shaded leaves, regardless of weather. This suggests H. arborea controls its body temperature through selecting shaded microhabitats, though some frogs were observed basking in sunny areas, even on hot days.
Gamification - How to Think Straight About
A simple, no-nonsense introduction into what gamification is, why you might want to do it, how it works and how to go about designing your own system.
61; road mortalites of reptiles in the vendee
This document summarizes a study on patterns of reptile roadkill in western France over four years. The study found that two lizard species (Lacerta bilineata and Podarcis muralis) and two snake species (Hierophis viridiflavus and Natrix natrix) that are more active foragers had higher roadkill rates, while two more sedentary snake species (Vipera aspis and Natrix maura) had lower rates. Roadkills occurred throughout the reptiles' active season, with differences in the size classes and monthly frequencies of some species. A positive correlation was found between monthly roadkill counts and live sightings for H. viridiflavus
Cfe booklet
The project aims to promote women's rights and career development in Turkey through cooperation between international interns and local universities. Interns from different countries and backgrounds will deliver workshops and coaching to help university students, especially women, prepare for future careers. They will interview successful businesswomen in Turkey and create a booklet highlighting women's rights issues. A culminating event coordinated by the interns will promote these topics. The project timeline outlines orientation, workshop preparation and delivery, student coaching, interviews, event planning and a final report over six weeks. Key performance indicators will measure workshop attendance and effectiveness, interviews conducted, and event participation.
Clonación Humana
La Unión Europea ha acordado un embargo petrolero contra Rusia en respuesta a la invasión de Ucrania. El embargo prohibirá las importaciones marítimas de petróleo ruso a la UE y pondrá fin a las entregas a través de oleoductos dentro de seis meses. Esta medida forma parte de un sexto paquete de sanciones de la UE destinadas a aumentar la presión económica sobre Moscú y privar al Kremlin de fondos para financiar su guerra.
What is Windows 10?
This is a session that I did for my retirement community. It to help our seniors understand what Windows 10 offers and how to use its features. I tried to include a lot to get a good overview of Windows 10. For those already using it, I included some tips & tricks to help use it.
2004 Cancer SOS paper
This document describes a randomized controlled trial that tested the effectiveness of the Cancer Screening Office Systems (Cancer SOS) intervention at increasing cancer screening rates among patients at primary care clinics serving disadvantaged populations.
The intervention included a cancer screening checklist and color-coded stickers to track screening tests. Eight clinics were randomized to the intervention or control group. Screening rates for mammograms, Pap smears, and fecal occult blood tests were compared before and 12 months after the intervention.
The results showed that the intervention significantly increased screening rates for mammograms and fecal occult blood tests compared to the control group, after adjusting for baseline differences. There was also a trend toward increased Pap smear screening. The intervention
Mo publication
Efficient molybdenum(VI) modified Zr-MOF catalysts have been prepared for epoxidation of olefins. Zr-MOF (UiO-66(NH2)) was functionalized with ligands using post-synthesis modification and then loaded with Mo(VI) catalysts via chelating. The Mo(VI) catalysts were highly dispersed on the Zr-MOF, improving contact between substrates and active sites. The Zr-MOF catalysts exhibited high activity for epoxidation of olefins using TBHP or H2O2 as oxidants and showed good thermal stability.
RESUME Carol G. Skelton, CPC
Carol Skelton has over 30 years of experience in medical coding and billing. She has worked as a coder, billing coordinator, instructor, and consultant. Her resume summarizes her extensive professional experience in coding, billing, and physician education. She has trained medical residents and students in documentation and coding to optimize reimbursement.
Cm interview pp 1
Classroom management means maintaining order and structure in the classroom to maximize learning. Jessica believes classroom management should be emphasized more in teacher training. Some tips she offers are being consistent, establishing clear rules and routines, and adapting strategies to each class's needs. Good classroom management allows students to stay focused and engaged through a calm, organized learning environment.
Metode Karya Wisata Kelompok 6 SPK
Dokumen tersebut membahas tentang metode mengajar karyawisata dalam pendidikan kimia. Karyawisata didefinisikan sebagai kunjungan siswa ke luar kelas untuk mempelajari objek tertentu sebagai bagian integral dari kegiatan kurikuler. Dokumen tersebut juga menjelaskan karakteristik, tujuan, langkah-langkah persiapan, kelebihan dan kekurangan, serta materi yang cocok diajarkan menggunakan met
los valores
This short document promotes creating presentations using Haiku Deck, a tool for making slideshows. It encourages the reader to get started making their own Haiku Deck presentation and sharing it on SlideShare. In just one sentence, it pitches the idea of using Haiku Deck to easily create engaging slideshow presentations.
62; testudo hermanni; dietary selection
1. The study analyzed the dietary selection of Hermann's tortoise (Testudo hermanni) in Montenegro and Croatia by examining plant samples from tortoises observed feeding.
2. The tortoises showed a generalist feeding strategy, consuming a wide variety of plant families. However, they exhibited a preference for legumes, which made up around 60% of the diet in Montenegro and 50% in Croatia.
3. Some populations, particularly in Montenegro, included more toxic or potentially damaging plants in their diets, such as species from the Ranunculaceae, Araceae, Araliaceae, Chenopodiaceae, and Aristolochiaceae families.
Blue Hacathon-Ι. Σπιλάνης
The document discusses the development of an Atlas of Greek Islands. It aims to be a tool for planning, research, and education regarding Greece's islands. The Atlas will compile quantitative data on 80 inhabited islands across topics of economy, society, and environment. It will include different thematic maps and an analysis of the compiled information. The goal is to address weaknesses in Greek statistical systems and better understand disparities between islands. The Atlas can help planning for small islands by incorporating local resources to create "quality islands" and address vulnerabilities.
54; bufo m.s.herp bull pdf
This study examined the body temperatures of common toads (Bufo bufo) in France. The main findings were:
1) Nocturnal body temperatures ranged from 11.7-18.9°C and were associated with air and substrate temperatures.
2) Diurnal body temperatures ranged from 27.8-34.2°C and were significantly lower than open substrate temperatures but not shaded air temperatures.
3) Toad activity and body temperatures occurred over a similar period to other studies, from March to November, defining their thermal niche for the year.
Vaspis movements 2016 Herp Bulletin137-13
This document summarizes observations of movements, mating, and parturition in a female aspic viper (Vipera aspis) in western France over two years. The female was observed basking near her hibernaculum in early spring both years. In 2015, she was observed mating with another viper in April and giving birth to an estimated 6 offspring in September, consistent with the species' gestation period. Post-parturition, she was sighted moving between hibernaculum areas until late fall. No vipers were sighted near the hibernaculum over summer, suggesting a seasonal migration. The observations provide information about the species' thermoregulation and reproductive behaviors.
Testudo hermanni, Hermanns tortoise, field biology
Testudo hermanni, Hermanns tortoise, field biology
71 hibernation movements
This document summarizes observations of post-hibernation movements of four reptile species - Hierophis viridiflavus, Natrix natrix, Vipera aspis, and Lacerta bilineata - around a hibernaculum in western France between late March and late May. Most sightings occurred in April, gradually declining later that month, with no reptiles seen after May 28th. The reptiles remained close to the hibernaculum for approximately 45 days before dispersing. Movement patterns and areas used were analyzed and discussed in relation to habitat characteristics and previous studies.
63; lacerta bilineata; field injury
This document summarizes a field observation of an injured western green lizard (Lacerta bilineata) in France. The lizard was found immobilized on a road with head trauma and lacerations near its right eye and jaw that appeared to be caused by another animal. It was treated and recovered over two weeks. The injury was likely sustained either from an attack by a predator like a snake or bird of prey, or from combat with another male lizard during their intense territorial fights in spring. Such injuries increase vulnerability to additional threats and could reduce survival potential.
59; natrix maura defence behaviour
This document reports on observations of defence behaviours in the viperine snake (Natrix maura) in France. A male N. maura was observed adopting a "balling" defence behaviour where it hid its head in the centre of its coiled body with its tail raised. This behaviour is commonly seen in smaller snakes as a defence against predators. The document also discusses breeding phenology observations of the common toad (Bufo bufo) in Spain, noting earlier breeding and egg-laying was observed in some populations compared to previous years, which may be influenced by climate change.
42; physignathus lesueurii predation (natural history note)
1) The Australian Water Dragon (Physignathus lesueurii) was observed preying on the Grass Skink (Lampropholis delicata) on multiple occasions at the Australian Botanical Gardens.
2) Observations included 8 successful predation events where the Water Dragon captured the Grass Skink from distances up to 7 meters away.
3) Unsuccessful predation attempts by Water Dragons on Grass Skinks were also observed, with the skinks escaping into vegetation.
41; physignathus lesueurii nest temperatures
This document summarizes a study that measured the temperatures inside nests of the Australian water dragon (Physignathus lesueurii) over several days in November and December. The study found:
1) Nest temperatures remained relatively constant, between 23-29°C, even as external temperatures varied more widely.
2) The highest nest temperatures were recorded on a sunny day in early December, while overcast days saw maximums below 25°C.
3) Nest temperatures were generally lower than those reported for similar sized tropical lizards, remaining cooler than external temperatures to prevent overheating of eggs.
57; combat behaviour in varanus salvator (natural history note)
This document summarizes two observations of aggression in water monitors (Varanus salvator) in Sri Lanka. In the first observation, a large monitor attacked and chased off a smaller monitor basking on the bank of a narrow waterway. In the second observation, two large monitors were seen wrestling in the water in a typical combat embrace. This suggests monitors may display aggression over territory even in aquatic environments, which had not been reported previously. The document also summarizes an observation of a Philodryas patagoniensis snake that had preyed upon and consumed a venomous snake, possibly a young one, based on the presence of a fang in its feces. This suggests P. patagoniensis may occasionally
37; reptiles, thermoregulation and the environment; review
This document summarizes research on thermoregulation in reptiles. It discusses how reptiles interact with their environments to regulate their body temperatures, highlighting examples from lizards, chelonians, and other groups. It examines constraints on reptile thermoregulation from environmental factors like climate and habitat, and costs associated with precise thermoregulation in harsh environments like high altitudes and latitudes. The document aims to provide insights into reptile thermal ecology to help herpetologists with captive breeding projects.
More Related Content
Viewers also liked
RESUME Carol G. Skelton, CPC
Carol Skelton has over 30 years of experience in medical coding and billing. She has worked as a coder, billing coordinator, instructor, and consultant. Her resume summarizes her extensive professional experience in coding, billing, and physician education. She has trained medical residents and students in documentation and coding to optimize reimbursement.
Cm interview pp 1
Classroom management means maintaining order and structure in the classroom to maximize learning. Jessica believes classroom management should be emphasized more in teacher training. Some tips she offers are being consistent, establishing clear rules and routines, and adapting strategies to each class's needs. Good classroom management allows students to stay focused and engaged through a calm, organized learning environment.
Metode Karya Wisata Kelompok 6 SPK
Dokumen tersebut membahas tentang metode mengajar karyawisata dalam pendidikan kimia. Karyawisata didefinisikan sebagai kunjungan siswa ke luar kelas untuk mempelajari objek tertentu sebagai bagian integral dari kegiatan kurikuler. Dokumen tersebut juga menjelaskan karakteristik, tujuan, langkah-langkah persiapan, kelebihan dan kekurangan, serta materi yang cocok diajarkan menggunakan met
los valores
This short document promotes creating presentations using Haiku Deck, a tool for making slideshows. It encourages the reader to get started making their own Haiku Deck presentation and sharing it on SlideShare. In just one sentence, it pitches the idea of using Haiku Deck to easily create engaging slideshow presentations.
62; testudo hermanni; dietary selection
1. The study analyzed the dietary selection of Hermann's tortoise (Testudo hermanni) in Montenegro and Croatia by examining plant samples from tortoises observed feeding.
2. The tortoises showed a generalist feeding strategy, consuming a wide variety of plant families. However, they exhibited a preference for legumes, which made up around 60% of the diet in Montenegro and 50% in Croatia.
3. Some populations, particularly in Montenegro, included more toxic or potentially damaging plants in their diets, such as species from the Ranunculaceae, Araceae, Araliaceae, Chenopodiaceae, and Aristolochiaceae families.
Blue Hacathon-Ι. Σπιλάνης
The document discusses the development of an Atlas of Greek Islands. It aims to be a tool for planning, research, and education regarding Greece's islands. The Atlas will compile quantitative data on 80 inhabited islands across topics of economy, society, and environment. It will include different thematic maps and an analysis of the compiled information. The goal is to address weaknesses in Greek statistical systems and better understand disparities between islands. The Atlas can help planning for small islands by incorporating local resources to create "quality islands" and address vulnerabilities.
54; bufo m.s.herp bull pdf
This study examined the body temperatures of common toads (Bufo bufo) in France. The main findings were:
1) Nocturnal body temperatures ranged from 11.7-18.9°C and were associated with air and substrate temperatures.
2) Diurnal body temperatures ranged from 27.8-34.2°C and were significantly lower than open substrate temperatures but not shaded air temperatures.
3) Toad activity and body temperatures occurred over a similar period to other studies, from March to November, defining their thermal niche for the year.
Viewers also liked (10)
More from Roger Meek
Vaspis movements 2016 Herp Bulletin137-13
This document summarizes observations of movements, mating, and parturition in a female aspic viper (Vipera aspis) in western France over two years. The female was observed basking near her hibernaculum in early spring both years. In 2015, she was observed mating with another viper in April and giving birth to an estimated 6 offspring in September, consistent with the species' gestation period. Post-parturition, she was sighted moving between hibernaculum areas until late fall. No vipers were sighted near the hibernaculum over summer, suggesting a seasonal migration. The observations provide information about the species' thermoregulation and reproductive behaviors.
Testudo hermanni, Hermanns tortoise, field biology
Testudo hermanni, Hermanns tortoise, field biology
71 hibernation movements
This document summarizes observations of post-hibernation movements of four reptile species - Hierophis viridiflavus, Natrix natrix, Vipera aspis, and Lacerta bilineata - around a hibernaculum in western France between late March and late May. Most sightings occurred in April, gradually declining later that month, with no reptiles seen after May 28th. The reptiles remained close to the hibernaculum for approximately 45 days before dispersing. Movement patterns and areas used were analyzed and discussed in relation to habitat characteristics and previous studies.
63; lacerta bilineata; field injury
This document summarizes a field observation of an injured western green lizard (Lacerta bilineata) in France. The lizard was found immobilized on a road with head trauma and lacerations near its right eye and jaw that appeared to be caused by another animal. It was treated and recovered over two weeks. The injury was likely sustained either from an attack by a predator like a snake or bird of prey, or from combat with another male lizard during their intense territorial fights in spring. Such injuries increase vulnerability to additional threats and could reduce survival potential.
59; natrix maura defence behaviour
This document reports on observations of defence behaviours in the viperine snake (Natrix maura) in France. A male N. maura was observed adopting a "balling" defence behaviour where it hid its head in the centre of its coiled body with its tail raised. This behaviour is commonly seen in smaller snakes as a defence against predators. The document also discusses breeding phenology observations of the common toad (Bufo bufo) in Spain, noting earlier breeding and egg-laying was observed in some populations compared to previous years, which may be influenced by climate change.
42; physignathus lesueurii predation (natural history note)
1) The Australian Water Dragon (Physignathus lesueurii) was observed preying on the Grass Skink (Lampropholis delicata) on multiple occasions at the Australian Botanical Gardens.
2) Observations included 8 successful predation events where the Water Dragon captured the Grass Skink from distances up to 7 meters away.
3) Unsuccessful predation attempts by Water Dragons on Grass Skinks were also observed, with the skinks escaping into vegetation.
41; physignathus lesueurii nest temperatures
This document summarizes a study that measured the temperatures inside nests of the Australian water dragon (Physignathus lesueurii) over several days in November and December. The study found:
1) Nest temperatures remained relatively constant, between 23-29°C, even as external temperatures varied more widely.
2) The highest nest temperatures were recorded on a sunny day in early December, while overcast days saw maximums below 25°C.
3) Nest temperatures were generally lower than those reported for similar sized tropical lizards, remaining cooler than external temperatures to prevent overheating of eggs.
57; combat behaviour in varanus salvator (natural history note)
This document summarizes two observations of aggression in water monitors (Varanus salvator) in Sri Lanka. In the first observation, a large monitor attacked and chased off a smaller monitor basking on the bank of a narrow waterway. In the second observation, two large monitors were seen wrestling in the water in a typical combat embrace. This suggests monitors may display aggression over territory even in aquatic environments, which had not been reported previously. The document also summarizes an observation of a Philodryas patagoniensis snake that had preyed upon and consumed a venomous snake, possibly a young one, based on the presence of a fang in its feces. This suggests P. patagoniensis may occasionally
37; reptiles, thermoregulation and the environment; review
This document summarizes research on thermoregulation in reptiles. It discusses how reptiles interact with their environments to regulate their body temperatures, highlighting examples from lizards, chelonians, and other groups. It examines constraints on reptile thermoregulation from environmental factors like climate and habitat, and costs associated with precise thermoregulation in harsh environments like high altitudes and latitudes. The document aims to provide insights into reptile thermal ecology to help herpetologists with captive breeding projects.
Meek &Mattison snake egg incubation
Researchers successfully incubated two clutches of reptile eggs under fluctuating temperatures rather than a constant temperature. The eggs hatched and produced healthy hatchlings. The study showed that reptile eggs can develop under more natural fluctuating temperatures rather than the traditional constant temperatures used in captivity.
14; allometry in chelonians
The document summarizes a study that analyzed the relationship between body mass and carapace length in four chelonian species: Testudo graeca, Testudo hermanni, Emys orbicularis, and Chrysemys scripta. The study found allometric equations describing this relationship for each species, with carapace length generally proportional to body mass raised to the 0.34 power. A comprehensive equation for all species combined supported this finding.
30; allometry in testudo sulcata; a reappraisal
This paper reexamines data on the relationship between carapace length and body mass in the desert tortoise (Testudo sulcata) from a previous study. The authors calculate new allometric equations using the original data and find exponents of 0.36 and 0.39, which disagree with the previous study's calculation of 0.91. These new exponents are closer to what would be expected based on other research on chelonian allometry. The authors conclude the previous study likely contained errors in their calculations and analysis of this tortoise species' measurements.
32; cryosurgery in reptiles
This document summarizes the use of cryosurgery to treat skin disorders in two lizards and one turtle. Cryosurgery, which uses extremely low temperatures to destroy unwanted tissue, was used to successfully treat a large growth on a green lizard, a skin lesion on a tegu lizard, and an infected swelling behind the ear of a box turtle. The results indicate that cryosurgery may be a valuable surgical tool for treating skin disorders and infections in reptiles.
66;road mortalities of amphibians hj 22(1)_pp_51-58_ms_11-55[1]
This study monitored amphibian roadkill over six years on low-traffic roads in western France. The common toad and agile frog made up the majority of roadkill at 39% and 25.4% respectively. Roadkill patterns were associated with amphibian migration and habitat near roads. Higher roadkill occurred near woodlands/wetlands and after rainfall, related to migration and foraging behavior. Traffic volume did not correlate with roadkill, but roadkill increased with longer amphibian migration distances.
67; hierophis anthropogenic mortalities
1) Over a seven year period in Western France, 36 whip snakes (Hierophis viridiflavus) suffered mortality from anthropogenic sources such as humans, dogs, and cats.
2) Humans killed over half of the snakes, particularly subadult/hatchling snakes. Dogs and cats also killed snakes, with dogs killing both adult and young snakes and cats only killing young snakes.
3) Mortality patterns varied by age class, with most adult snake deaths occurring in May during the breeding season and most subadult/hatchling deaths in August and September during dispersal from nest sites.
50; corucia antibiotic therapy
1) A Solomon Island skink (Corucia zebrata) showed signs of a skin infection and was treated with the antibiotic Baytril. After initially recovering, the skink's condition gradually declined despite a good appetite.
2) It is suspected that the antibiotic treatment may have adversely affected the skink's intestinal microbe and nematode populations, causing maldigestion.
3) 'Artificial coprophagy' was induced by smearing mealworms with cagemates' feces, which the skink consumed. This helped restore the intestinal fauna and the skink regained normal weight within two months.
More from Roger Meek (20)
Testudo hermanni, Hermanns tortoise, field biology
Testudo hermanni, Hermanns tortoise, field biology
42; physignathus lesueurii predation (natural history note)
42; physignathus lesueurii predation (natural history note)
57; combat behaviour in varanus salvator (natural history note)
57; combat behaviour in varanus salvator (natural history note)
37; reptiles, thermoregulation and the environment; review
37; reptiles, thermoregulation and the environment; review
66;road mortalities of amphibians hj 22(1)_pp_51-58_ms_11-55[1]
66;road mortalities of amphibians hj 22(1)_pp_51-58_ms_11-55[1]
Recently uploaded
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.
20240520 Planning a Circuit Simulator in JavaScript.pptx
Evaporation step counter work. I have done a physical experiment.
(Work in progress.)
Bob Reedy - Nitrate in Texas Groundwater.pdf
Presented at June 6-7 Texas Alliance of Groundwater Districts Business Meeting
Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...
The pygmy halfbeak Dermogenys colletei, is known for its viviparous nature, this presents an intriguing case of relatively low fecundity, raising questions about potential compensatory reproductive strategies employed by this species. Our study delves into the examination of fecundity and the Gonadosomatic Index (GSI) in the Pygmy Halfbeak, D. colletei (Meisner, 2001), an intriguing viviparous fish indigenous to Sarawak, Borneo. We hypothesize that the Pygmy halfbeak, D. colletei, may exhibit unique reproductive adaptations to offset its low fecundity, thus enhancing its survival and fitness. To address this, we conducted a comprehensive study utilizing 28 mature female specimens of D. colletei, carefully measuring fecundity and GSI to shed light on the reproductive adaptations of this species. Our findings reveal that D. colletei indeed exhibits low fecundity, with a mean of 16.76 ± 2.01, and a mean GSI of 12.83 ± 1.27, providing crucial insights into the reproductive mechanisms at play in this species. These results underscore the existence of unique reproductive strategies in D. colletei, enabling its adaptation and persistence in Borneo's diverse aquatic ecosystems, and call for further ecological research to elucidate these mechanisms. This study lends to a better understanding of viviparous fish in Borneo and contributes to the broader field of aquatic ecology, enhancing our knowledge of species adaptations to unique ecological challenges.
Nucleophilic Addition of carbonyl compounds.pptx
Nucleophilic addition is the most important reaction of carbonyls. Not just aldehydes and ketones, but also carboxylic acid derivatives in general.
Carbonyls undergo addition reactions with a large range of nucleophiles.
Comparing the relative basicity of the nucleophile and the product is extremely helpful in determining how reversible the addition reaction is. Reactions with Grignards and hydrides are irreversible. Reactions with weak bases like halides and carboxylates generally don’t happen.
Electronic effects (inductive effects, electron donation) have a large impact on reactivity.
Large groups adjacent to the carbonyl will slow the rate of reaction.
Neutral nucleophiles can also add to carbonyls, although their additions are generally slower and more reversible. Acid catalysis is sometimes employed to increase the rate of addition.
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
bordetella pertussis.................................ppt
Bordettela is a gram negative cocobacilli spread by air born drop let
Randomised Optimisation Algorithms in DAPHNE
Slides from talk:
Aleš Zamuda: Randomised Optimisation Algorithms in DAPHNE .
Austrian-Slovenian HPC Meeting 2024 – ASHPC24, Seeblickhotel Grundlsee in Austria, 10–13 June 2024
https://ashpc.eu/
Micronuclei test.M.sc.zoology.fisheries.
Current Ms word generated power point presentation covers major details about the micronuclei test. It's significance and assays to conduct it. It is used to detect the micronuclei formation inside the cells of nearly every multicellular organism. It's formation takes place during chromosomal sepration at metaphase.
ANAMOLOUS SECONDARY GROWTH IN DICOT ROOTS.pptx
Abnormal or anomalous secondary growth in plants. It defines secondary growth as an increase in plant girth due to vascular cambium or cork cambium. Anomalous secondary growth does not follow the normal pattern of a single vascular cambium producing xylem internally and phloem externally.
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).
Deep Behavioral Phenotyping in Systems Neuroscience for Functional Atlasing a...
Functional Magnetic Resonance Imaging (fMRI) provides means to characterize brain activations in response to behavior. However, cognitive neuroscience has been limited to group-level effects referring to the performance of specific tasks. To obtain the functional profile of elementary cognitive mechanisms, the combination of brain responses to many tasks is required. Yet, to date, both structural atlases and parcellation-based activations do not fully account for cognitive function and still present several limitations. Further, they do not adapt overall to individual characteristics. In this talk, I will give an account of deep-behavioral phenotyping strategies, namely data-driven methods in large task-fMRI datasets, to optimize functional brain-data collection and improve inference of effects-of-interest related to mental processes. Key to this approach is the employment of fast multi-functional paradigms rich on features that can be well parametrized and, consequently, facilitate the creation of psycho-physiological constructs to be modelled with imaging data. Particular emphasis will be given to music stimuli when studying high-order cognitive mechanisms, due to their ecological nature and quality to enable complex behavior compounded by discrete entities. I will also discuss how deep-behavioral phenotyping and individualized models applied to neuroimaging data can better account for the subject-specific organization of domain-general cognitive systems in the human brain. Finally, the accumulation of functional brain signatures brings the possibility to clarify relationships among tasks and create a univocal link between brain systems and mental functions through: (1) the development of ontologies proposing an organization of cognitive processes; and (2) brain-network taxonomies describing functional specialization. To this end, tools to improve commensurability in cognitive science are necessary, such as public repositories, ontology-based platforms and automated meta-analysis tools. I will thus discuss some brain-atlasing resources currently under development, and their applicability in cognitive as well as clinical neuroscience.
Sharlene Leurig - Enabling Onsite Water Use with Net Zero Water
Sharlene Leurig - Enabling Onsite Water Use with Net Zero WaterTexas Alliance of Groundwater Districts
Presented at June 6-7 Texas Alliance of Groundwater Districts Business MeetingTHEMATIC 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 skills8.Isolation of pure cultures and preservation of cultures.pdf
Isolation of pure culture, its various method.
BREEDING METHODS FOR DISEASE RESISTANCE.pptx
Plant breeding for disease resistance is a strategy to reduce crop losses caused by disease. Plants have an innate immune system that allows them to recognize pathogens and provide resistance. However, breeding for long-lasting resistance often involves combining multiple resistance genes
Recently uploaded (20)
The debris of the ‘last major merger’ is dynamically young
The debris of the ‘last major merger’ is dynamically young
20240520 Planning a Circuit Simulator in JavaScript.pptx
20240520 Planning a Circuit Simulator in JavaScript.pptx
aziz sancar nobel prize winner: from mardin to nobel
aziz sancar nobel prize winner: from mardin to nobel
Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...
Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...
Equivariant neural networks and representation theory
Equivariant neural networks and representation theory
bordetella pertussis.................................ppt
bordetella pertussis.................................ppt
mô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốt
mô tả các thí nghiệm về đánh giá tác động dòng khí hóa sau đốt
The use of Nauplii and metanauplii artemia in aquaculture (brine shrimp).pptx
The use of Nauplii and metanauplii artemia in aquaculture (brine shrimp).pptx
Deep Behavioral Phenotyping in Systems Neuroscience for Functional Atlasing a...
Deep Behavioral Phenotyping in Systems Neuroscience for Functional Atlasing a...
Sharlene Leurig - Enabling Onsite Water Use with Net Zero Water
Sharlene Leurig - Enabling Onsite Water Use with Net Zero Water
THEMATIC APPERCEPTION TEST(TAT) cognitive abilities, creativity, and critic...
THEMATIC APPERCEPTION TEST(TAT) cognitive abilities, creativity, and critic...
8.Isolation of pure cultures and preservation of cultures.pdf
8.Isolation of pure cultures and preservation of cultures.pdf