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Relevant bibliographies by topics / Population density total hardness relative abundance correlation

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Journal articles

Academic literature on the topic 'Population density total hardness relative abundance correlation'

Author: Grafiati

Published: 4 June 2025

Last updated: 14 July 2025

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Journal articles on the topic "Population density total hardness relative abundance correlation"

1

Patra, Ashis, Kalyan Brata Santra, and Chanchal Kumar Manna. "Ecology and diversity of zooplankton in relation to physico-chemical characteristics of water of Santragachi Jheel, West Bengal, India." Journal of Wetlands Ecology 5 (December 28, 2011): 20–39. http://dx.doi.org/10.3126/jowe.v5i0.4595.

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In the present study efforts have been made to ascertain the seasonal abundance and population dynamics of zooplankton community and its relationship with physico-chemical factors of the water bodies of Santragachi Jheel in the District Howrah, W.B., INDIA. The zooplankton abundance showed distinct seasonal or temporal variation in the Jheels. A total of 18 species belonging to 12 families and 15 genera were recorded. The population density of total zooplankton showed summer maxima in the Jheel. Maximum abundance of rotifer fauna was recorded during summer season in sewage sites whereas Cladoc

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2

Sarkar, R., S. Das, A. Saha, P. Das, D. Raha, and D. Saha. "Physico-chemical characteristics of breeding habitats in relation to larval density and relative abundance of Aedes mosquitoes from Siliguri sub-division, West Bengal, India." Journal of Environmental Biology 45, no. 3 (2024): 349–56. http://dx.doi.org/10.22438/jeb/45/3/mrn-5216.

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Aim: Characterization of physico-chemical parameters of Aedes mosquito breeding habitats from dengue-endemic Siliguri sub-divisional area and correlation of larval density with the habitat characteristics. Methodology: Natural and artificial water-holding containers found in four blocks, namely- Naxalbari, Matigara, Khoribari and Phansidewa of Siliguri sub-divisional area were surveyed for the collection of Aedes mosquito larvae. Water parameters such as pH, temperature, electric conductance (EC), total dissolved solid (TDS), chloride, salinity, total hardness (TH) and dissolved oxygen (DO) we

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Al-Ameen, Feryal A. M. "An Ecological Survey of Benthic Invertebrates in Three Sites in Shatt-Al-Kufa at Al-Najaf Province, Iraq." JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences 26, no. 8 (2018): 230–39. http://dx.doi.org/10.29196/jubpas.v26i8.1691.

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The present study was conducted to determine the structure of benthic invertebrates community, as well as a study of some factors associated with water quality in Shatt Al-Kufa. The study was included a choice of three sites located along the Shatt Al-Kufa River, water samples and benthic invertebrates were collected during the period from February 2014 to January 2015. The abiotic study included measurements of chlorophyll a, salinity, total dissolved solids, biochemical oxygen demand, total hardness, nitrate, and sulfate. The biotic study included the determination the composition of t

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Severson, Kieth, and Glenn Plumb. "Estimating Population Densities of Black-Tailed Prairie Dogs." UW National Parks Service Research Station Annual Reports 18 (January 1, 1994): 31–34. http://dx.doi.org/10.13001/uwnpsrc.1994.3183.

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The recent black-footed ferret reintroduction into the Conata Basin area of westÂcentral South Dakota has prompted managers of USDA Forest Service, Buffalo Gap National Grasslands and National Park Service, Badlands National Park, to reassess methods of determining population size of black-tailed prairie dogs Cynomys ludovicianus. Most agencies are currently relying on a protocol developed by Biggins et al. (1993) to assess black-footed ferret habitat, a section of which deals with prey abundance. The protocol is based on population estimates derived from counting the number of active burrows

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5

Johnson, Melissa A., Samuel Fortna, Robert G. Hollingsworth, and Nicholas C. Manoukis. "Postharvest Population Reservoirs of Coffee Berry Borer (Coleoptera: Curculionidae) on Hawai’i Island." Journal of Economic Entomology 112, no. 6 (2019): 2833–41. http://dx.doi.org/10.1093/jee/toz219.

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Abstract Coffee berry borer, Hypothenemus hampei Ferrari (Coleoptera: Curculionidae: Scolytinae), is the most damaging insect pest of coffee worldwide. Old coffee berries (raisins) are widely acknowledged as coffee berry borer reservoirs, yet few studies have attempted to quantify coffee berry borer populations in raisins remaining on farms postharvest. We collected ground and tree raisins at six coffee farms on Hawai’i Island to assess raisin density, infestation, coffee berry borer abundance, and adult mortality in three areas of each farm: trees, driplines (ground below the tree foliage), a

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Almogdad, Mohammad, Karolina Lavrukaitė, and Roma Semaškienė. "Temporal Analysis of the Relationship between Black Bean Aphid (Aphis fabae) Infestation and Meteorological Conditions in Faba Bean (Vicia faba)." Agronomy 14, no. 6 (2024): 1182. http://dx.doi.org/10.3390/agronomy14061182.

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Faba beans (Vicia faba L.) face threats from pests like the black bean aphid (Aphis fabae S.). By understanding the intricate interactions between environmental factors and pest dynamics, we aim to enhance pest management practices in leguminous crop production for improved efficiency and sustainability. A field experiment spanning three growing seasons (2021–2023) explored the link between meteorological parameters and A. fabae abundance in V. faba. Weekly field inspections documented aphid levels alongside concurrent meteorological data. Correlation and multiple linear regression were used t

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7

Meng, Jiacheng, Cheng Li, H. J. Mo, Yangyao Chen, and Kai Wang. "Measuring Galaxy Abundance and Clustering at High Redshift from Incomplete Spectroscopic Data: Tests on Mock Catalogs." Astrophysical Journal 964, no. 2 (2024): 161. http://dx.doi.org/10.3847/1538-4357/ad2931.

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Abstract The number density and correlation function of galaxies are two key quantities to characterize the distribution of the observed galaxy population. High-z spectroscopic surveys, which usually involve complex target selection and are incomplete in redshift sampling, present both opportunities and challenges to measure these quantities reliably in the high-z Universe. Using realistic mock catalogs, we show that target selection and redshift incompleteness can lead to significantly biased results, especially due to the flux-limit selection criteria. We develop a new method to correct the

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8

Fu, Haiping, Huan Li, Peng Yin, et al. "Integrated Application of Rapeseed Cake and Green Manure Enhances Soil Nutrients and Microbial Communities in Tea Garden Soil." Sustainability 13, no. 5 (2021): 2967. http://dx.doi.org/10.3390/su13052967.

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(1) Aims: This study was aimed to investigate the effects of organic and inorganic fertilizer application on the soil nutrients and microbiota in tea garden soil. (2) Method: Illumina Hiseq sequencing technique was conducted to analyze the microbial diversity and density in different fertilizer-applied tea garden soil. (3) Results: The results showed that Acidobacteria, Proteobacteria and Actinobacteria were the predominant bacterial species observed in the tea garden soil. Besides, the relative abundance of Basidiomycota, Ascomycota and Zygomycota fungal species were higher in the tea garden

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Villenave, Cécile, Robert Oliver, Paula Fernandes, Klemens Ekschmitt, and Tom Bongers. "Changes in nematode communities after manuring in millet fields in Senegal." Nematology 5, no. 3 (2003): 351–58. http://dx.doi.org/10.1163/156854103769224340.

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AbstractChanges in the soil nematofauna community structure were followed in nine millet fields on seven farms in two villages in Senegal during one cropping cycle. Cultivation practices were done by field owners. One plot in each field was divided into two subplots; in one of these, manure (20 t ha-1) was added at sowing. Before the manure input, at mid-cycle and at millet harvest, the structure of the nematode fauna was studied. Soil physico-chemical characteristics, microbial carbon and plant production were measured at sowing and at millet harvest. In the sub-plots where manure was added,

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10

Kiselev, S. V. "Abundance, habitat distribution and content of reserve energy substances in shrews (Sorex caecutiens, Sorex isodon) within the Seymchan-Buyundinskaya Depression (Upper Kolyma River region)." Arctic and Subarctic Natural Resources 29, no. 3 (2024): 451–61. http://dx.doi.org/10.31242/2618-9712-2024-29-3-451-461.

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This research examined the influence of interspecific interactions among shrew species on their territorial distribution and trophic conditions within larch and poplar-chosenia forests along the upper Kolyma River. The study specifically analyzed the biotopic characteristics associated with the relative abundance and energy reserve content, including fat tissue mass and glycogen levels in the liver, of Sorex caecutiens and S. isodon. Fieldwork was conducted in the Seymchan- Buyunda depression during July and August in 2003 and 2010. A total of 1,588 individuals from both species were captured

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