Air transportation, population density and temperature predict the spread of COVID-19 in Brazil by Pedro Pequeno, Bruna Mendel, Clarissa Rosa, Mariane Bosholn, Jorge Luiz Souza, Fabricio Baccaro, Reinaldo Barbosa, William Magnusson

“…Apart from increasing with time, the number of confirmed cases was mainly related to the number of arriving flights and population density, increasing with both factors. However, after accounting for these effects, the disease was shown to be temperature sensitive: there were more cases in colder cities and days, and cases accumulated faster at lower temperatures. …”
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Effect of spirotetramat and fluensulfone on population densities of Mesocriconema xenoplax and Meloidogyne incognita on peach by Shirley Andrew M., Noe James P., Nyczepir Andrew P., Brannen Phillip M., Shirley Benjamin J., Jagdale Ganpati B.

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YIELD AND BIOCHEMICAL STATUS OF CORN DEPENDING ON THE MINERAL NUTRITION AND THE PLANT POPULATION DENSITY by S.A. Semina, I.V. Gavryushina, A.S. Paliychuk

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Mazes to Study the Effects of Spatial Complexity, Predation and Population Density on Mate Finding by Lloyd D. Stringer, Nicola J. Sullivan, Robyn White, Alfredo Jiménez-Pérez, Jess Furlong, John M. Kean, Jacqueline R. Beggs, David Maxwell Suckling

“…For testing hypotheses about population density and predation, we contend that habitat complexity can be simulated using insect mazes of varying mathematical difficulty. …”
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Impact of meteorological factors and population density on COVID-19 pandemic in Saudi Arabia by Khalid J. Alzahrani, Nadim Sharif, Afsana Khan, Hamsa Jameel Banjer, Anowar Khasru Parvez, Shuvra Kanti Dey

“…Vaccination and fatalities (rs = −0.85) had the highest association followed by vaccination with cases (rs = −0.81) and population density with the fatalities (rs = 0.71). The growth rate had the highest correlation with sun hours (rs = −0.63). …”
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Spatial Interaction Effect of Population Density Patterns in Sub-Districts of Northeastern Thailand by Savittri Ratanopad Suwanlee, Jaturong Som-ard

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Global Radiative Sky Cooling Potential Adjusted for Population Density and Cooling Demand by Ablimit Aili, Xiaobo Yin, Ronggui Yang

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Population density of Tibraca limbativentris on flood irrigated rice and alternative host plants by Mauricio Paulo Batistella Pasini, Alessandro Dal’Col Lúcio, Alberto Cargnelutti Filho, Ana Lúcia de Paula Ribeiro, João Fernando Zamberlan, Sidinei José Lopes

“…Andropogon bicornis plants have higher population densities than A. lateralis, and plants with larger diameters show higher population densities of the rice stem bug. …”
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EFFECT OF POPULATION DENSITY AND WATER SUBSTRATE INTERFACE OF GROWTH AND YIELD RED LETTUCE by Muhammad Riyan Hidayah, Susilawati Susilawati, Suwandi Suwandi, Benyamin Lakitan

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Population density of Sotalia guianensis (Cetacea: Delphinidae) in the Cananéia region, Southeastern Brazil by Liisa Havukainen, Emygdio Leite de Araujo Monteiro Filho, Gislaine de Fatima Filla

“…Population density in cetaceans can be estimated through photo-identification, mark-recapture, land-based observations and visual estimative. …”
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Consequences of Evolving Limbless, Burrowing Forms for the Behavior and Population Density of Tropical Lizards by Agustín Camacho, Carlos A. Navas, Adriana Tiemi Yamanouchi, Miguel Trefaut Rodrigues

“…We quantified functional traits (escape strategy, sprint speed and predatory performance) and population density across 10 lizard species representing morphotype stages in the acquisition of burrowing snake-like morphotypes (BSLM), from Brazil. …”
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CORRELATION OF FREE LARVAE INDEX AND POPULATION DENSITY WITH DENGUE FEVER INCIDENCE RATE by Ria Nuranisa, Yusuf Budi Maryanto, Muhammad Atoillah Isfandiari

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A study of population density of ancient, medieval and modern cities in relation to transportation by Ilano, Noe V

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The effect of population density on shoot morphology of herbs in relation to light capture by leaves by Sekimura, T, Roose, T, Li, B, Maini, P, Suzuki, J, Hara, T

“…Our model predicts that the optimal internodal length of the stem that brings about the maximal light capture by leaves increases with plant population density, and this is consistent with experimental data. …”

The effect of population density on shoot morphology of herbs in relation to light capture by leaves by Sekimura, T, Roose, T, Li, B, Maini, P, Hara, T

“…Our model predicts that the optimal internodal length of the stem that brings about the maximal light capture by leaves increases with plant population density, and this is consistent with experimental data. …”

Earthworm diversity and population density in the Kaki Bukit agroecosystem, Perlis, Peninsular Malaysia by Teng, Suk Kuan, Abd Aziz, Nor Azwady, Anang, Noraziha, Mustafa, Muskhazli, Ismail, Ahmad, Yi, Wei Yan

“…The present study examines the diversity, population density and biomass of the earthworm community in an agroecosystem in Kaki Bukit, Perlis. …”
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Population Density Cluster Analysis in DKI Jakarta Province Using K-Means Algorithm by Amalia Anjani Arifiyanti, Farhan Setiyo Darusman, Brahmantio Widyo Trenggono

Subjects: “…clustering, data mining, population density, k-means…”
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Effects of population density and environmental conditions on life‐history prevalence in a migratory fish by Mark H. Sorel, Andrew R. Murdoch, Richard W. Zabel, Cory M. Kamphaus, Eric R. Buhle, Mark D. Scheuerell, Sarah J. Converse

“…In migratory animals, flexibility in the timing of life‐history events, such as juvenile emigration from natal areas, can influence the effects of population density and environmental conditions on habitat use and population dynamics. …”
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Bio-agroeconomic returns in beet-cowpea intercropping by optimization of population densities and spatial arrangements by Aridênia Peixoto Chaves, Francisco Bezerra Neto, Jailma Suerda Silva Lima, Josimar Nogueora Silva, Elizangela Cabral Santos, Renato Leandro Costa Nunes, Vitor Abel da Silva Lino

“…In this context, the objective of this work is to assess whether there is bio-agroeconomic return in associations of beet-cowpea by the optimization of population densities and spatial arrangements of the component crops. …”
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Population density, bottom-up and top-down control as an interactive triplet to trigger dispersal by Bianca Kreuzinger-Janik, Birgit Gansfort, Christoph Ptatscheck

“…The results showed that both decreasing food availability and increasing population density had a positive influence on nematode dispersal. …”
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