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Journal articles on the topic 'Marsh animals'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 July 2025

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1

Andriolo, Artur, Ubiratan Piovezan, Mateus José Rodrigues Paranhos da Costa, Jeff Laake, and José Maurício Barbanti Duarte. "Aerial line transect survey to estimate abundance of marsh deer (Blastocerus dichotomus) (Illiger, 1815)." Brazilian Archives of Biology and Technology 48, no. 5 (2005): 807–14. http://dx.doi.org/10.1590/s1516-89132005000600017.

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The objective was to estimate abundance of marsh deer in the Paraná River basin of this work. The results provided information to support further analysis of the impact of the Porto Primavera flooding lake over population. Sixty-nine animals were recorded by aerial survey using distance sampling methodology. Animals were widely distributed throughout the study area. The uncorrected data resulted in a estimate density of 0.0035 ind/ha and a population size of 636 individuals. Correcting the g for the animals that could be missed the calculated abundance was 896 (CV=0.27) individuals. This metho

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Eduard, A. Snegin* Anatoly S. Barkhatov Elena A. Snegina Valeria V. Adamova. "ESTIMATION OF DNA DAMAGE IN POPULATIONS OF MARSH FROG (PELOPHYLAX RIDIBUNDUS) BASED ON DNA COMET ASSAY." Indo American Journal of Pharmaceutical Sciences 05, no. 06 (2018): 6091–94. https://doi.org/10.5281/zenodo.1304332.

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<em>Using the DNA Comet Assay, the level of DNA destruction in two populations of marsh frog (Pelophylax ridibundus) inhabiting biotopes with different anthropogenic pollution was assessed. Animal liver cells were used for the analysis. Five adult animals were selected from each biotope, in each of which minimum 100 cells were analyzed. The results showed a significant (p<0.05) increase in the DNA comet index in the contaminated zone (I<sub>dc</sub> = 0.141±0.021). In addition, the presence of apoptotic cells was noted here. In the clean zone, the majority of the cells contained inta

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3

Dunson, W. A., and J. Travis. "Patterns in the Evolution of Physiological Specialization in Salt-Marsh Animals." Estuaries 17, no. 1 (1994): 102. http://dx.doi.org/10.2307/1352338.

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Volovich, Anna Yu. "ЛЯГУШКА В ЕГИПЕТСКИХ ВЕЛЬМОЖЕСКИХ ГРОБНИЦАХ ЭПОХИ ДРЕВНЕГО ЦАРСТВА: САКРАЛЬНЫЙ СИМВОЛ ИЛИ ТИПИЧНЫЙ ОБИТАТЕЛЬ НИЛЬСКИХ ТОПЕЙ?" Journal of the Institute of Oriental Studies RAS, № 4 (14) (2020): 43–54. http://dx.doi.org/10.31696/2618-7302-2020-4-43-54.

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According to the worldview of the ancient Egyptians, tomb scenes present depictions of the world, inhabited by the deceased’s Ka (‘double’), and this world incorporates only important things for tomb’s owner. In this regard, interpretations of frogs’ images in several noble tombs of the Old Kingdom still present problems for the researchers. To address this problem, the author considers several interpretation options of the tombs scenes, depicting amphibians, trying to find out the nature of the animal images — whether they are symbolic or not. Included here are also some other representatives

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Yarovan, Natalya, Elena Bondarenko, Natalya Komissarova, Alexei Sergachev, and Natalya Gribanova. "Study of anti-free radical action of phytopreparations and their effectiveness on animals." BIO Web of Conferences 37 (2021): 00137. http://dx.doi.org/10.1051/bioconf/20213700137.

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With industrial technologies of animal husbandry, the state of the animal’s body is characterized by the presence of metabolic disorders considered as oxidative stress. Currently, in animal husbandry, characterized by stressful content in industrial complexes, the use of adaptogenic drugs is required; however, among their abundance, phytobiotics are the most effective in terms of optimizing metabolic processes. Phytobiotics are herbal preparations that are sources of biologically active substances. The work shows the results of studying anti-free radicals of phytobiotics (nettle, germinated wh

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Almeria, Merlita L., and Olga M. Nuneza. "Diet of seven anuran species (Amphibia: Anura) in Agusan Marsh, Mindanao, Philippines." Animal Biology and Animal Husbandry 5, no. 1 (2013): 116–26. https://doi.org/10.5281/zenodo.8188320.

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Anurans are indicators of ecosystem health and have important functions in natural food webs. Studies on anurans in Agusan marsh are very scarce particularly inside the protected area. In order to understand the prey selection of anurans within the Agusan marsh habitat we examined the diet of seven anuran species and analyzed a total of 71 samples. From the stomach contents we found plant remains, shed-skin fragments, animals and animal fragments. We identified a total of 26 prey items. Hymenoptera, Hemiptera, Diptera, Coleoptera, Arachnida, Orthoptera, insect debris/shed skin and plant materi

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Prist, Paula, Raphael Hipólito, and Hugo Mozerle. "New distribution records of Blastocerus dichotomus Illiger, 1815 (Mammalia: Cervidae) in Minas Gerais, Brazil." Check List 10, no. (3) (2014): 594–96. https://doi.org/10.15560/10.3.594.

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Herein we present new distribution records of <em>Blastoceurs dichotomus</em> in the State of Minas Gerais. Previously, this species had only been recorded inside the Grande Sertão Veredas National Park, in the state of Minas Gerais. Our new record is 110 km southeast of Grande Sertão Veredas NP. Given its "Vulnerable" IUCN status and this new record, it is important to reinforce the need for new surveys and ecological studies that assess its current geographic distribution, and ecological responses to habitat loss, fragmentation and degradation; factors considered main threats to these animal

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Henkes, Luiz Ernani, Tania de Azevedo Weimer, and José Carlos Ferrugem de Moraes. "BIOCHEMICAL POLYMORPHISMS IN SHEEP AND THEIR POTENTIAL USE FOR PATERNITY TESTS." Ciência Rural 24, no. 3 (1994): 579–82. http://dx.doi.org/10.1590/s0103-84781994000300023.

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The genetic variability of 22 protein loci was investigated in two sheep flocks: 22 females Romney Marsh and 124 animals derived from crossbreeding between Romney Marsh and Merino Booroola, reared by the Brazilian Agricultural Research Corporation (Empresa Brasileira de Pesquisa Agropecuária -EMBRAPA, Bagé, RS, Brazil). Eight loci were polymorphic; the others showed no variation. The usefulness of the eight plymorphic systems (Cat, DIA I, EP-1, EsA, HbB, ME, Tf, and X Prot.) in parentage tests was analyzed. The probability to find two random identical animals in each breed was estimated as 1:1

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9

Liu, Yiwen, Xiangjin Shen, Jiaqi Zhang, et al. "Temporal and Spatial Variation in Vegetation Coverage and Its Response to Climatic Change in Marshes of Sanjiang Plain, China." Atmosphere 13, no. 12 (2022): 2077. http://dx.doi.org/10.3390/atmos13122077.

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Sanjiang Plain is the most extensive marsh distribution region in China. Marshes in this region can protect biodiversity, regulate climate, and provide habitats for wild animals and plants. The normalized difference vegetation index (NDVI) is a crucial indicator of vegetation coverage, which may reflect ecosystem structure and functional features. Clarifying the spatiotemporal change of marsh coverage and its climatic drivers is vital for observing and predicting vegetation change in Sanjiang Plain. Using meteorological dataand MODIS NDVI data from 2000 to 2020, we analyzed the spatiotemporal

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Elmer, W. H., S. Useman, R. W. Schneider, et al. "Sudden Vegetation Dieback in Atlantic and Gulf Coast Salt Marshes." Plant Disease 97, no. 4 (2013): 436–45. http://dx.doi.org/10.1094/pdis-09-12-0871-fe.

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Salt marshes rank as the most productive ecosystems on the planet. Biomass production can be greater than 3 kg dry matter/m2/year, which is 40% more biomass than tropical rainforests produce. Salt marshes provide multiple benefits to mankind. For example, coastal communities receive protection from storm surges and wave erosion. Salt marshes absorb excess nitrogen and phosphorus from sewage and fertilizer run-off into rivers, which, in turn, prevents algal blooms and hypoxia in coastal waters. In addition, these unique ecosystems provide habitat and shelter for many hundreds of species of shel

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Figueira, C. J. M., J. S. R. Pires, A. Andriolo, M. J. R. P. Costa, and J. M. B. Duarte. "Marsh deer (Blastocerus Dichotomus) reintroduction in the Jataí Ecological Station (Luís Antônio, SP): spatial preferences." Brazilian Journal of Biology 65, no. 2 (2005): 263–70. http://dx.doi.org/10.1590/s1519-69842005000200009.

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Throughout the latter half of the twentieth century, wildlife habitat destruction and species extinctions have greatly increased. As the number of endangered species grows, the use of reintroduction as a conservation tool against species extinction increases. This study focuses on a 16-month study on marsh deer reintroduced in the Jataí Ecological Station. The animals were radio tagged and tracked daily between December 1998 and April 2000. Displacement activity and spatial preferences were monitored by triangulation. The animals wandered the floodplains inside the protected area and also a fl

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Titovich, L. V., N. G. Tolkach, and A. A. Koziuk. "NATURAL RESISTANCE WITH THE USE OF PREPARATIONS OF MARSH CINQUEFOIL IN SHEEP." Transactions of the educational establishment “Vitebsk the Order of “the Badge of Honor” State Academy of Veterinary Medicine 57, no. 2 (2021): 67–71. http://dx.doi.org/10.52368/2078-0109-2021-57-2-67-71.

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Due to phytotherapy, the use of cheap and ecologically pure preparation is possible. Studied medicinal forms of Comarum pаlustrum (decoction, tincture, liquid extract, powder) in therapeutic doses stimulate indices of natural resistance in animals – lysozymic and bactericidal activity of blood serum and phagocytosis.

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Glazunov, Yuri, Olga Stolbova, Svetlana Veremeeva, Arina Galtseva, and Mikhail Mikhailov. "THE IMPORTANCE OF CALLA PALUSTRIS L. IN THE ACHIRI OUTBREAK OF HAFF DISEASE." Bulletin of KSAU, no. 3 (March 10, 2025): 97–105. https://doi.org/10.36718/1819-4036-2025-3-97-105.

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The aim of the study is to determine the role of Calla palustris Linnaeus, 1753 in the occurrence of the Achiri outbreak of Haff disease. Hydrobotanical samples were collected from water bodies, in the coastal zone, including in places where Calla palustris grows. Plant samples were collected at 12 stations (6 stations on Lakes Ishmenevskoye and Andreyevskoye) in the spring and summer, chopped with scissors, homogenized with a blender and introduced daily into aquariums, where one part of detritus was introduced daily, gradually increasing its concentration. After 15 days of the experiment aft

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Bhuiyan, A. K. F. H., and M. K. Curran. "Genetic trends of prolificacy and litter size in Romney Marsh sheep." Small Ruminant Research 12, no. 3 (1993): 315–20. http://dx.doi.org/10.1016/0921-4488(93)90066-q.

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Jabbar, Sattar Nadhim, and Raid Kadhim Abed Alasady. "Using O. aureus and C. zillii as Bio Indicators in the Marsh of Dalmaj Southern Iraq." IOP Conference Series: Earth and Environmental Science 1371, no. 2 (2024): 022010. http://dx.doi.org/10.1088/1755-1315/1371/2/022010.

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Abstract Due to of ongoing industries, humans cause water pollution and discharge of sewage into the water, which have contributed to the decline in the number of animals in the Dalmaj Marsh, which is home to thousands of species. Metals for instance mercury, cadmium, chromium, and lead pose a significant danger to public health and other animals such as fish, leading to carcinogenicity and renal failure. We can deduce that O. aureus acts as a highly efficient bio-indicator for heavy metals, including Pb, Mg, Cr, and Cd, in comparison to C. zillii. These metals also have impact on water qualit

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Tsitovich, L. V., N. G. Tolkach, and I. A. Shkredov. "EFFICACY OF BOLUSES OF RHIZOMES WITH ROOTS OF MARSH CINQUEFOIL AGAINST STRONGYLATOSES OF GASTROINTESTINAL TRACT OF SHEEP." Transactions of the educational establishment “Vitebsk the Order of “the Badge of Honor” State Academy of Veterinary Medicine 59, no. 3 (2023): 39–42. http://dx.doi.org/10.52368/2078-0109-2023-59-3-39-42.

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The paper presents data on the study of the effect of boluses of rhizomes with roots of marsh cinquefoil on the body of sheep invaded by Strongylata of the gastrointestinal tract. In accordance with the data obtained, it follows that the use of boluses of rhizomes with roots of marsh cinquefoil in therapeutic doses, as an anthelminthic agent, had no negative effect on the body of animals in experimental groups, and there was a decrease in the infestation rate in sheep with strongylatoses of the gastrointestinal tract.

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Zhelev, Zhivko, Tihomir Vachev, and Danail Minchev. "Changes in the Erythrogram Parameters and in the Erythrocyte Sizes of Adult Pelophylax ridibundus (Pallas 1771) (Anura: Ranidae) Inhabiting the Sedimentation Lake of Brikel Thermal Power Plant in Southern Bulgaria." Toxics 13, no. 4 (2025): 261. https://doi.org/10.3390/toxics13040261.

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Analyses of the hematological statuses of animals inhabiting areas of anthropogenic pollution may provide valuable insights into the extent of disturbance of their living conditions and the mechanisms of adaptation to various environmental stressors. The current work compares the erythrogram and erythrocyte-metric parameters of marsh frogs (Pelophylax ridibundus) inhabiting the polluted sedimentation lake of Brikel TPP in southern Bulgaria to those in frogs inhabiting a relatively clean habitat (reference population). The study includes a total of 120 individuals (30 females and 30 males from

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Rabadanova, Z. G., and A. M. Dzhafarova. "THE CATALYTIC PROPERTIES OF LACTATE DEHYDROGENASE IN SKELETAL MUSCLES AND LIVER OF THE MARSH FROG (PELOPHYLAX RIDIBUNDUS) DEPEND ON ITS ECOLOGICAL AND GEOGRAPHICAL LOCATION." Журнал эволюционной биохимии и физиологии 59, no. 6 (2023): 541–50. http://dx.doi.org/10.31857/s0044452923060074.

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The marsh frog (Pelophylax ridibundus) has a widespread distribution range, which is due to a variety of adaptations that contribute to the development of tolerance to a wide range of physicochemical environmental factors. Of particular interest are the adaptations of these animals to different levels of oxygen in mid- and high-altitude conditions. In this work, a comparative analysis of the kinetic parameters of lactate dehydrogenase (LDH) in the liver of marsh frogs living in the mountainous and lowland regions of Dagestan was carried out. Animals caught in their habitats were decapitated, t

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Nilsson, Jan-Åke, and Andreas Nord. "Testing the heat dissipation limit theory in a breeding passerine." Proceedings of the Royal Society B: Biological Sciences 285, no. 1878 (2018): 20180652. http://dx.doi.org/10.1098/rspb.2018.0652.

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The maximum work rate of animals has recently been suggested to be determined by the rate at which excess metabolic heat generated during work can be dissipated (heat dissipation limitation (HDL) theory). As a first step towards testing this theory in wild animals, we experimentally manipulated brood size in breeding marsh tits ( Poecile palustris ) to change their work rate. Parents feeding nestlings generally operated at above-normal body temperatures. Body temperature in both males and females increased with maximum ambient temperature and with manipulated work rate, sometimes even exceedin

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Sullivan, Robert. "Modeled Sea Level Rise Impacts on Coastal Vegetation and Infrastructure at Lake Earl Wildlife Area and Tolowa Lagoon, Northern California: Implications for Management and Adaptive Planning." International Journal of Zoology and Animal Biology 7, no. 5 (2024): 1–19. http://dx.doi.org/10.23880/izab-16000609.

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Few ecosystems remain untouched by sea-level rise along the Pacific coast of North America. This process has facilitated reduction in the range of ecosystem responses and promoted loss of biological diversity at a scale relevant to local populations of plants and animals. Even fewer studies have evaluated the extent of rising sea levels on coastal ecosystems at finer scales. Here, I quantified the projected impacts of rising sea level on the vulnerability of plant communities at the Lake Earl-Tolowa Lagoon System (Lake Earl Wildlife Area) using a Static Vegetation Model. I also evaluated use o

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Болиева, Laura Bolieva, Кокоев, Leonid Kokoev, Закс, and Tamaz Zaks. "The effect of polysaccharides calamus on the liver and esophagus cancerogenesis wile the experiment." Vladikavkaz Medico-Biological Bulletin 20, no. 29 (2014): 25–28. http://dx.doi.org/10.12737/11815.

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The effect of polysaccharides Calamus on the occurrence of tumors of the liver and esophagus induced by N-nitrosodiethylamine in rats was studied. The experiment was conducted on 32 male rats of Wistar line. Animals were divided into 2 groups: group I (n = 16) – animals received only carcinogen 100 mg / l daily for 4 months and Group II (n = 16) – the animals treated with the carcinogen along polysaccharides calamus marsh at a dose of 75 mg/kg of body weight daily for 6 months. Fallen in the course of the experiment the animals were opened. At the end of the experiment the liver and esophagus

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Henkes, L. E., T. A. Weimer, and J. C. F. Moraes. "Genetic markers and the fertility gene (FecB) in a Romney Marsh × Merino Booroola flock." Small Ruminant Research 14, no. 1 (1994): 55–59. http://dx.doi.org/10.1016/0921-4488(94)90010-8.

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23

Mutschler, Thomas, and Anna T. C. Feistner. "Conservation status and distribution of the Alaotran gentle lemur Hapalemur griseus alaotrensis." Oryx 29, no. 4 (1995): 267–74. http://dx.doi.org/10.1017/s0030605300021268.

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The Alaotran gentle lemur Hapalemur griseus alaotrensis is found only in the marsh vegetation surrounding Lac Alaotra in Madagascar. This habitat is shrinking and becoming fragmented due to conversion to rice cultivation. In addition, lemurs are hunted for pets and food. There is no protected area within their limited range. This paper presents the results of a 6-month field study assessing the distribution, population size and conservation status of the lemur. The population consists of about 7500 animals, split into at least two subpopulations. If no conservation action is taken in the near

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Borowsky, Richard, Betty Borowsky, Haleh Milani, and Pietra Greenberg. "AMYLASE VARIATION IN THE SALT MARSH AMPHIPOD, GAMMARUS PALUSTRIS." Genetics 111, no. 2 (1985): 311–23. http://dx.doi.org/10.1093/genetics/111.2.311.

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ABSTRACT There are two common alleles at the Amylase-2 locus in populations of Gammarus palustris, the salt marsh amphipod. Intensive sampling of individuals from two localities at Jamaica Bay revealed a consistent pattern of heterozygote deficiency.ߝFive possible sources of heterozygote deficiency were examined in this study. Four of themߝselection against heterozygotes, null alleles at the locus, assortative mating for amylase genotype and inbreedingߝare inconsistent with the evidence and are rejected. The fifth possibility, Wahlund effects due to genetic differentiation of the population, i

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Klaassen, Raymond H. G., Mikael Hake, Roine Strandberg, and Thomas Alerstam. "Geographical and temporal flexibility in the response to crosswinds by migrating raptors." Proceedings of the Royal Society B: Biological Sciences 278, no. 1710 (2010): 1339–46. http://dx.doi.org/10.1098/rspb.2010.2106.

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Wind and ocean currents may potentially have important effects on travelling animals, as an animal which does not respond to lateral flow will be drifted from its intended direction of movement. By analysing daily movements of migrating ospreys Pandion haliaetus and marsh harriers Circus aeruginosus , as recorded by satellite telemetry, in relation to global wind data, we showed that these raptors allow on average 47 per cent drift. Furthermore, our analyses revealed significant geographical and temporal variation in the response to crosswinds. During some parts of the migration, the birds dri

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Kline, Daniel L. "The use of aerial photographic techniques to locate Culicoides larval habitats in a Florida salt marsh." Preventive Veterinary Medicine 11, no. 3-4 (1991): 359–60. http://dx.doi.org/10.1016/s0167-5877(05)80025-x.

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Healy, Susan D., and Jukka Suhonen. "Memory for Locations of Stored Food in Willow Tits and Marsh Tits." Behaviour 133, no. 1-2 (1996): 71–80. http://dx.doi.org/10.1163/156853996x00035.

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AbstractSome food-storing animals use spatial memory in food retrieval. There is variation amongst food-storing species in the duration over which food is stored and it is positively correlated with differences in the size of the part of the brain that is involved with memory for storage locations, the hippocampus. For example, British marsh tits (Parus palustris) are generally thought to retrieve their stores after a few hours or days whereas Scandinavian willow tits (P. montanus) have been shown to store their food for several weeks to months. Marsh tits also have a smaller hippocampus than

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Paunescu, Alina, Cristina Maria Ponepal, Lucica Tofan, et al. "Ecotoxicological Risk Assessment of Actellic 50 EC Insecticide on Non-Target Organisms in Parallel with the Application of Standardized Tests." Toxics 10, no. 12 (2022): 745. http://dx.doi.org/10.3390/toxics10120745.

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This paper contributes to the ecotoxicological risk assessment of the Actellic 50 EC insecticide (with 50% pirimiphos-methyl as the active substance) tested on non-target organisms. The insecticide concentrations tested were the same for all organisms (0.1, 0.01, and 0.001 mgL−1 of Actellic 50 EC), with an exposure of 3–5–21 days for plants and 4–5–14 days for animals. The non-target organisms tested were both plants (wheat and two ferns) and animals (the Prussian carp and marsh frog tadpoles). The tested insecticide significantly inhibited the growth of roots in wheat, a result that was also

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Zhukov, A. V., O. N. Kunah, V. A. Novikova та D. S. Ganzha. "ФИТОИНДИКАЦИОННОЕ ОЦЕНИВАНИЕ КАТЕНЫ СООБЩЕСТВ ПОЧВЕННОЙ МЕЗОФАУНЫ И ИХ ЭКОМОРФИЧЕСКАЯ ОРГАНИЗАЦИЯ". Biological Bulletin of Bogdan Chmelnitskiy Melitopol State Pedagogical University 6, № 3 (2016): 91–117. http://dx.doi.org/10.15421/201676.

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The approaches to the use of catena method of studying the diversity of soil animal communities’ arena landscape of the Dnieper River Valley (within the natural reserve “Dnieper-Orelsky” using phytoindication estimation have been developed in the present article. Soil animals ecomorphes have been verified on the basis of main trends variability of environmental conditions which evaluated by means of phytoindication approaches. Monitoring polygon situated in the north-eastern part of the natural reserve "Dnieper-Orelsky". The width of the polygon is 3260 m, height – 2850 m, its total area is 93

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García Hernández, Edisa, Matty P. Berg, A. Raoul Van Oosten, Christian Smit, and Joana Falcão Salles. "Linking Bacterial Communities Associated with the Environment and the Ecosystem Engineer Orchestia gammarellus at Contrasting Salt Marsh Elevations." Microbial Ecology 82, no. 2 (2021): 537–48. http://dx.doi.org/10.1007/s00248-020-01656-w.

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AbstractThe digestive tract of animals harbors microbiota important for the host’s fitness and performance. The interaction between digestive tract bacteria and soil animal hosts is still poorly explored despite the importance of soil fauna for ecosystem processes. In this study, we investigated the interactions between the bacterial communities from the digestive tract of the litter-feeding, semi-terrestrial crustacean Orchestia gammarellus and those obtained from the environment; these organisms thrive in, i.e., soil and plant litter from salt marshes. We hypothesized that elevation is an im

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Miroshnikov, P. N., A. V. Saharov, V. I. Loshenko, K. V. Zhuchaev, M. L. Kochneva, and N. N. Kochnev. "Effect of oregano and marsh cinquefoil extracts on the morphofunctional characteristic of mice liver tissues under acute stress." Bulletin of NSAU (Novosibirsk State Agrarian University), no. 4 (January 25, 2025): 239–49. https://doi.org/10.31677/2072-6724-2024-73-4-239-249.

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The aim of the study was to investigate the effect of extracts of medicinal plants oregano (O) and marsh cinquefoil (MC) on the morphofunctional state of liver tissue in mice using the acute stress model. The object of the study was 60 laboratory mice of different sexes of the CD-1 line. A total of 6 experimental groups were formed, with 10 individuals in each: 1 control group with a standard diet (SD); 2 SD + 20 ml / kg live weight daily MC extract; 3 SD + 20 ml / kg O extract; 4 SD + stress exposure; 5 SD + stress exposure + 20 ml / kg MC extract; 6 SD + stress exposure + 20 ml / kg O extrac

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YUHARA, Takeshi, Shun TAKAGI, and Toshio FUROTA. "Distribution and habitat condition of the endangered benthic animals associated with salt marsh in Tokyo Bay, Japan." Japanese Journal of Benthology 70, no. 2 (2016): 50–64. http://dx.doi.org/10.5179/benthos.70.50.

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Amani, Meisam, Mohammad Kakooei, Arsalan Ghorbanian, et al. "Forty Years of Wetland Status and Trends Analyses in the Great Lakes Using Landsat Archive Imagery and Google Earth Engine." Remote Sensing 14, no. 15 (2022): 3778. http://dx.doi.org/10.3390/rs14153778.

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Wetlands provide many benefits, such as water storage, flood control, transformation and retention of chemicals, and habitat for many species of plants and animals. The ongoing degradation of wetlands in the Great Lakes basin has been caused by a number of factors, including climate change, urbanization, and agriculture. Mapping and monitoring wetlands across such large spatial and temporal scales have proved challenging; however, recent advancements in the accessibility and processing efficiency of remotely sensed imagery have facilitated these applications. In this study, the historical Land

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Rosa, H. J. D., P. F. M. Ventura, J. T. Sousa, D. Moreira, A. E. S. Borba, and O. A. Rego. "Productive and reproductive performance of Romney Marsh and Merino Branco sheep in the Azores under different feeding regimens." Small Ruminant Research 67, no. 2-3 (2007): 296–301. http://dx.doi.org/10.1016/j.smallrumres.2005.10.009.

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Kuchtík, Jan, Leona Konečná, Monika Šeligová, and Tomáš Kopec. "Effect of Gender on Growth and Carcass Traits of Romney Marsh Lambs." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 68, no. 6 (2020): 959–63. http://dx.doi.org/10.11118/actaun202068060959.

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The aim of present study was to assess the effect of the gender on growth and carcass traits in lambs of the Romney Marsh breed. The experimental animals were male lambs (n = 12) and female lambs (n = 12) of the Romney Marsh breed. All lambs were twins and all their mothers were on the second parity. With regard to body weights and daily gains (DGs), the gender had a significant effect only on birth weight and DG from birth to the slaughter, while in all monitored intervals the DGs were higher in male lambs (MLs). The lamb gender did not have a significant effect on the easy of lambing, body c

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Nachman, M. W., and P. Myers. "Exceptional chromosomal mutations in a rodent population are not strongly underdominant." Proceedings of the National Academy of Sciences 86, no. 17 (1989): 6666–70. http://dx.doi.org/10.1073/pnas.86.17.6666.

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The observation of karyotypic uniformity in most species has led to the widespread belief that selection limits chromosomal change. We report an unprecedented amount of chromosomal variation in a natural population of the South American marsh rat Holochilus brasiliensis. This variation consists of four distinct classes of chromosomal rearrangements: whole-arm translocations, pericentric inversions, variation in the amount of euchromatin, and variation in number and kind of supernumerary (B) chromosomes. Twenty-six karyotypes are present among 42 animals. Observations of the natural population

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Norscia, Ivan, and Elisabetta Palagi. "Fragment quality and distribution of the arboreal primate Propithecus verreauxi in the spiny forest of south Madagascar." Journal of Tropical Ecology 27, no. 1 (2010): 103–6. http://dx.doi.org/10.1017/s0266467410000519.

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The increasing proportion of the landscape used by humans has led, and is still leading, to the conversion of the original habitat into numerous small patches, often separated by a matrix of inhospitable land-uses. This habitat fragmentation is a major threat to biological diversity and is considered to be the primary cause of the present species extinction crisis (Aurambout et al. 2005). Survival in fragments is related to both intrinsic factors, such as abundance and sex ratio, and extrinsic factors related to patch quality (Ramanamanjato & Ganzhorn 2001, Rovero & Struhsaker 2007). A

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Karelus, Dana L., J. Walter McCown, Brian K. Scheick, Madelon van de Kerk, Benjamin M. Bolker, and Madan K. Oli. "Incorporating movement patterns to discern habitat selection: black bears as a case study." Wildlife Research 46, no. 1 (2019): 76. http://dx.doi.org/10.1071/wr17151.

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Context Animals’ use of space and habitat selection emerges from their movement patterns, which are, in turn, determined by their behavioural or physiological states and extrinsic factors. Aim The aims of the present study were to investigate animal movement and incorporate the movement patterns into habitat selection analyses using Global Positioning System (GPS) location data from 16 black bears (Ursus americanus) in a fragmented area of Florida, USA. Methods Hidden Markov models (HMMs) were used to discern the movement patterns of the bears. These results were then used in step-selection fu

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Karelus, Dana L., J. Walter McCown, Brian K. Scheick, Madelon van de Kerk, Benjamin M. Bolker, and Madan K. Oli. "Corrigendum to: Incorporating movement patterns to discern habitat selection: black bears as a case study." Wildlife Research 47, no. 4 (2020): 359. http://dx.doi.org/10.1071/wr17151_co.

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Context Animals' use of space and habitat selection emerges from their movement patterns, which are, in turn, determined by their behavioural or physiological states and extrinsic factors. Aim The aims of the present study were to investigate animal movement and incorporate the movement patterns into habitat selection analyses using Global Positioning System (GPS) location data from 16 black bears (Ursus americanus) in a fragmented area of Florida, USA. Methods Hidden Markov models (HMMs) were used to discern the movement patterns of the bears. These results were then used in step-selection fu

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Palomares, Francisco, Tarcízio Antônio Rego de Paula, and Ana Carolina Srbek-Araujo. "First Capture of a Jaguar Using a Minimally Invasive Capture System for GPS Tracking in an Isolated Patch of Atlantic Forest in Southern Brazil." Animals 13, no. 21 (2023): 3314. http://dx.doi.org/10.3390/ani13213314.

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This study presents the first successful capture using GPS tagging of a jaguar (Panthera onca) using a minimally invasive capture system (MICS). We used snare-foot traps and a MICS during two capture campaigns in a fragment of Atlantic Forest in southeastern Brazil. The specimen disarmed snares on different occasions, and capture was only possible with the MICS. The captured jaguar, an estimated 16-year-old adult male, was monitored using a GPS Vertex Plus Iridium collar with an optimal performance of 86% in expected locations. The jaguar’s home range (659 km2 by MPC and 174 km2 by 95%K) was w

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van de Velde, Sebastiaan J., Rebecca K. James, Ine Callebaut, Silvia Hidalgo-Martinez, and Filip J. R. Meysman. "Bioturbation has a limited effect on phosphorus burial in salt marsh sediments." Biogeosciences 18, no. 4 (2021): 1451–61. http://dx.doi.org/10.5194/bg-18-1451-2021.

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Abstract. It has been hypothesized that the evolution of animals during the Ediacaran–Cambrian transition stimulated the burial of phosphorus in marine sediments. This assumption is centrally based on data compilations from marine sediments deposited under oxic and anoxic bottom waters. Since anoxia excludes the presence of infauna and sediment reworking, the observed differences in P burial are assumed to be driven by the presence of bioturbators. This reasoning however ignores the potentially confounding impact of bottom-water oxygenation on phosphorus burial. Here, our goal is to test the i

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M. Jabeir, Afaq, Salwa A. Abdul Jaleel, and Hamid T. AL-Saad. "Study the regional and seasonal variation of polychlorinated biphenyl in sediments of the Eastern AL-Hammar Marshes, Iraq." Multidisciplinary Science Journal 6, no. 8 (2024): 2024143. http://dx.doi.org/10.31893/multiscience.2024143.

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Wetland sediments can become contaminated with contaminants that pose a risk to plants and animals and are present in groundwater and fresh surface water entering the wetland. The current study aims to detect PCB contaminants in the sediments of the Al-Hamar Marsh in southern Iraq from the winter season of 2021 until the fall season of 2022 during the day from five stations in the Al-Hamar Marsh, which are (1 - Al-Harir, 2 - Al-Mashab 3 - Al-Nakara, 4 - Baraka 1, 5 - Baraka 2). PCBs were analyzed by GC-MASS. The results showed that the highest rate of PCBs concentrations was (2.84) in the wint

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Grekh, Volodymyr, Oksana Kormylo, and Semen Kukurudza. "Analysis of state of biotic resources of Vereshchytsia River basin." Visnyk of the Lviv University. Series Geography, no. 47 (November 27, 2014): 88–97. http://dx.doi.org/10.30970/vgg.2014.47.820.

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The resources of plants (forest and meadow-marsh), animals (hunting and fishing) on example of the drainage basin of river Vereshchytsia as clearly defined the terrestrial-waterу spatio-functional geosystem are analysed. Also the role of phyto- and zooplankton in the improving of the forage base fisheries is analysed. The relationships and the interdependences of abiotic and biotic components of the environment and the impact of the anthropogenic factors on them are considered. Key words: biotic resources, drainage basin, river basin approach, rational use, reproduction, protection of biota.

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Sivkova. "HARMFUL IMPACT OF HORSEFLIES (DIPTERA, TABANIDAE) ON THE ORGANISM OF ANIMALS AND HUMAN (REVIEW)." THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL, no. 20 (May 14, 2019): 575–79. http://dx.doi.org/10.31016/978-5-9902340-8-6.2019.20.575-579.

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The study of bloodsucking dipterans, including gadflies, was conducted mainly in the 60-70s of the last century, when the rapid development of oil and gas production began and was associated with the development of means and methods for the pro-tection of humans and animals. Since then, more than 40 years have passed. Dur-ing this time, there was a noticeable warming of the climate, and due to technical progress, the anthropogenic impact on nature increased. Currently, the interest of scientists and researchers to Diptera has significantly increased. Blood-sucking two-winged insects (midges) i

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Korzh, A. P., and T. V. Zahovalko. "Urbanization of fauna on the example of marsh frog (Pelophylax ridibundus)." Ecology and Noospherology 26, no. 3-4 (2015): 116–23. http://dx.doi.org/10.15421/031525.

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Recently, the number of published works devoted to the processes of synanthropization of fauna, is growing like an avalanche, which indicates the extreme urgency of this theme. In our view, the process of forming devices to coexist with human and the results of his life reflects the general tandency of the modern nature evolution. Urbanization is characteristic for such a specific group of animals like amphibians, the evidence of which are numerous literature data. Many researchers use this group to assess the bioindicative quality of the environment. For this aim a variety of indicators are u

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Kiseleva, E. Yu, S. A. Borisov, N. V. Breneva, et al. "Revealing of Natural Leptospirosis Focus in Irkutsk Suburb." Epidemiology and Vaccine Prevention 14, no. 6 (2015): 23–28. http://dx.doi.org/10.31631/2073-3046-2015-14-6-23-28.

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For the first time natural leptospirosis focus was revealed in the Irkutsk suburb in 2012 - 2014 during epizootological inspection of a pond-marsh complex. Total 74 small animals (14 species) were examined, specific fragments of Leptospira DNA were found in 16,2%; positive in microagglutination test results were in 1,6% of the samples. Two pathogenic Leptospira strains were isolated from tundra common shrews (Sorex tundrensis) and one isolate - from a water vole (Arvicola terrestris). Circulation of pathogenic Leptospira in a city line represents a potential risk of infection for local populat

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Little, Elizabeth A., and Margaret J. Schoeninger. "The Late Woodland Diet on Nantucket Island and the Problem of Maize in Coastal New England." American Antiquity 60, no. 2 (1995): 351–68. http://dx.doi.org/10.2307/282145.

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Carbon and nitrogen isotope ratios of (1) bone collagen from six burials of the Late Woodland Period at Nantucket Island, Massachusetts, and (2) a wide range of potential dietary materials provide data for evaluating coastal diets. Archaeological and historical data give evidence for the availability and use of dietary items. The bases of the food chains and trophic levels define the possible food groups: terrestrial C3 and C4 plants and their consumers, marine C3 and C4-like plants and their consumers, and marine carnivores. From these data, computer analysis of multiple linear mixing equatio

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Soltani, Roumaissa, Nada Nouri, and Amel Lazli. "Diversity and seasonal variation of wader community (Aves, Charadriiformes) in the Mekhada Marsh (northeastern Algeria)." Ekológia (Bratislava) 42, no. 3 (2023): 257–66. http://dx.doi.org/10.2478/eko-2023-0029.

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Abstract Our study was conducted between October 2021 and April 2022 at the Mekhada marsh, a wetland of international importance, located in northeastern Algeria. This site hosts large concentrations of waterbirds in winter, including waders. Through this investigation in the region, we proposed to characterise and analyse the population structure of this group of birds, which remains very poorly documented in Algeria. The results obtained indicate the presence of 16 species belonging to three families and nine genera. The maximum number of birds was counted in January 2022 (2417 individuals).

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Mossakowski, Dietrich, and Wolfgang Dormann. "A plea for using qualitative aspects in the interpretation of ecological field data as revealed by carabid beetle assemblages of a pristine salt marsh." ZooKeys 100 (May 20, 2011): 273–86. https://doi.org/10.3897/zookeys.100.1532.

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The evaluation of ecological field data can be done by an increasing number of quantitative methods. The application of these methods often is often blind against two kinds of problems: (i) the data often do not meet the requirements of a method, e.g., as an ultra-metric structure of the data in the case of hierarchical cluster analysis. In such cases, the result will be misleading because the presentation of results is ultra-metric independent on the structure of the data. (ii) Most of the animals are able to move actively or may drift passively by wind, etc. Therefore, species occurring by a

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Stanhope, M. J., and C. D. Levsngs. "Growth and Production of Eogammarus confervicolus (Amphipoda: Anisogammaridae) at a Log Storage Site and in Areas of Undisturbed Habitat within the Squamish Estuary, British Columbia." Canadian Journal of Fisheries and Aquatic Sciences 42, no. 11 (1985): 1733–40. http://dx.doi.org/10.1139/f85-217.

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Growth and production of Eogammarus confervicolus was investigated in three contrasting habitats within the Squamish estuary: a log debris area, an embankment along the perimeter of a Carex lyngbyei marsh, and a Fucus distichus community. Eogammarus confervicolus annual production was highest in the "bank" habitat (21.38–21.65 g∙m−2∙yr−1) followed by Fucus (11.31–12.99 g∙m−2∙yr−1) and then wood debris (6.12–6.75 g∙m−2∙yr−1). P: B ratios were similar for the bivoltine wood debris and bank animals (4.67–5.15 and 5.94–6.01, respectively) but lower for the univoltine Fucus population (3.28–3.76).

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