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Journal articles on the topic 'Undesirable Species'

Author: Grafiati

Published: 20 July 2024

Last updated: 31 July 2025

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1

Kumar, Rakesh. "Controlling Undesirable Algal Species From Aquatic Ecosystems." International Journal on Algae 25, no. 4 (2023): 383–88. http://dx.doi.org/10.1615/interjalgae.v25.i4.60.

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Control of undesirable algal species is the primary requirement for the long-term maintenance of health of an aquatic ecosystem. Their excessive growth may cause ecosystem imbalance by depleting the water quality and affecting the life of aquatic fauna. The present paper describes the physical, chemical and biological methods of controlling undesirable algal species.

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KIRKMAN, L. KATHERINE, ROBERT J. MITCHELL, MELANIE J. KAESER, STEPHEN D. PECOT, and KIMBERLY L. COFFEY. "The perpetual forest: using undesirable species to bridge restoration." Journal of Applied Ecology 44, no. 3 (2007): 604–14. http://dx.doi.org/10.1111/j.1365-2664.2007.01310.x.

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Winkler, Jan, Markéta Ježová, Radek Punčochář, et al. "Fire Hazard: Undesirable Ecosystem Function of Orchard Vegetation." Fire 6, no. 1 (2023): 25. http://dx.doi.org/10.3390/fire6010025.

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Fires will become an increasingly frequent perturbation even under the conditions of the mild climate zone and will interfere with the agricultural landscape. Fire is a natural phenomenon, and depending on ecosystems, vegetation may develop and contribute to the occurrence and spread of fire. Vegetation of the sour cherry orchard located in the climatically dry conditions of the South Moravian Region, Czech Republic (CR), was evaluated. Vegetation assessment was performed using phytocenological relevé. In each variant, 10 relevé were recorded. Coverage of the found species was estimated direct

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Baruah, Gaurav, and Meike Wittmann. "Reviving collapsed plant–pollinator networks from a single species." PLOS Biology 22, no. 10 (2024): e3002826. http://dx.doi.org/10.1371/journal.pbio.3002826.

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Mutualistic ecological networks can suddenly transition to undesirable states due to small changes in environmental conditions. Recovering from such a collapse can be difficult as restoring the original environmental conditions may be infeasible. Additionally, such networks can also exhibit a phenomenon known as hysteresis, whereby the system could exhibit multiple states under the same environmental conditions, implying that ecological networks may not recover. Here, we attempted to revive collapsed mutualistic networks to a high-functioning state from a single species, using concepts from si

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Jaskuła, Radomir, Anna Sulikowska-Drozd, Aleksandra Jabłońska, Krzysztof Banaś, and Tomasz Rewicz. "Undesirable immigrants: hobbyist vivaria as a potential source of alien invertebrate species." PeerJ 7 (September 17, 2019): e7617. http://dx.doi.org/10.7717/peerj.7617.

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Background Small size and large diversity of adaptations make invertebrates a group of animals which can be easily transported by different human activities. Many species can travel as “hitchhikers” with plant material (both on plant surfaces and in the soil), including plants used for decoration in vivaria. Vivaria are often tropical in nature environments, with high temperatures and humidity, suitable for invertebrates from tropical regions. Although many of such invertebrates cannot survive in temperate regions where harsh weather conditions are present, it is also known that some can succe

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Veskovic-Moracanin, Slavica, Dragica Karan, Dragan Milicevic, and Aleksandra Stjepanovic. "The presence of undesirable mould species on the surface of dry sausages." Zbornik Matice srpske za prirodne nauke, no. 114 (2008): 97–103. http://dx.doi.org/10.2298/zmspn0814097v.

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Transition from manufacture to the industrial way of meat production and processing, as well as contemporary concept of food quality and safety, have led to the application of starter cultures. Their application leads towards the streamlining of the production process in the desired direction, quality improvement and its harmonization, and thereby to its standardization. Application of moulds in the meat industry is based on positive effects of their proteolytic and lipolytic egzoenzymes which, as a consequence, leads to the creation of characteristic sensory properties ('flavor') of fermented

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Loftis, David L. "Preharvest Herbicide Treatment Improves Regeneration in Southern Appalachian Hardwoods." Southern Journal of Applied Forestry 9, no. 3 (1985): 177–80. http://dx.doi.org/10.1093/sjaf/9.3.177.

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Abstract Preharvest herbicide treatment of undesirable and unmerchantable vegetation was compared to postharvest felling. Ten years after the clearcut harvesting, the preharvest treatment had increased the number and proportion of desirable stems and decreased the number and proportion of undesirable sprouts in the dominant stand. Stands that developed after the preharvest herbicide treatment are dominated by single-stemmed desirable species, and excellent future stocking is assured. Because of the presence of undesirable sprout clumps, plots receiving the postharvest felling have an uncertain

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8

Lim, Haw Chuan, Navjot S. Sodhi, Barry W. Brook, and Malcom C. K. Soh. "Undesirable aliens: factors determining the distribution of three invasive bird species in Singapore." Journal of Tropical Ecology 19, no. 6 (2003): 685–95. http://dx.doi.org/10.1017/s0266467403006084.

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Biological invasions are a major environmental concern due to their negative impacts on biodiversity and economics. We determined the population sizes and habitat-abundance relationships of the three most successful invasive bird species in Singapore: the house crow Corvus splendens, white-vented myna Acridotheres javanicus and common myna A. tristis. Estimated population sizes of the three species between February 2000 and February 2001 were between 106 000-176 000, 122 000-155 000 and 20 000-29 000, respectively. Population size of the house crow grew dramatically (>30-fold) in the last 1

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Glasenapp, Cattò, Villa, Saracchi, Cappitelli, and Papenbrock. "Promoting Beneficial and Inhibiting Undesirable Biofilm Formation with Mangrove Extracts." International Journal of Molecular Sciences 20, no. 14 (2019): 3549. http://dx.doi.org/10.3390/ijms20143549.

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The extracts of two mangrove species, Bruguiera cylindrica and Laguncularia racemosa, have been analyzed at sub-lethal concentrations for their potential to modulate biofilm cycles (i.e., adhesion, maturation, and detachment) on a bacterium, yeast, and filamentous fungus. Methanolic leaf extracts were also characterized, and MS/MS analysis has been used to identify the major compounds. In this study, we showed the following. (i) Adhesion was reduced up to 85.4% in all the models except for E. coli, where adhesion was promoted up to 5.10-fold. (ii) Both the sum and ratio of extracellular polysa

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10

Krieg, Randon J., and W. T. Witte. "EFFICACY OF A COPPER HYDROXIDE/LATEX PAINT FORMULATION FOR ROOT - PRUNING 41 SPECIES OF CONTAINERIZED NURSERY STOCK." HortScience 28, no. 5 (1993): 527f—527. http://dx.doi.org/10.21273/hortsci.28.5.527f.

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The root system of containerized nursery stock may become undesirably coiled or matted on the outer surface of the media. Various copper formulations painted on the interior of the container surface have been shown to control undesirable root growth in a few species. We tested a commercial formulation of 100 g/l copper hydroxide in a flowable latex paint formulation (SpinOut™) on 41 tree, shrub, and herbaceous species. Plants were grown 4 months in 7.5×7.5×15cm containers, either treated or untreated. Root density was evaluated on a scale of 1 to 5 (no roots on the surface to heavy rooting). A

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11

Thilmony, Blake M., and Rodney G. Lym. "Effect of Aminocyclopyrachlor on Native Prairie Species in the Northern Great Plains." Invasive Plant Science and Management 10, no. 2 (2017): 201–9. http://dx.doi.org/10.1017/inp.2017.19.

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Aminocyclopyrachlor (AMCP) will control many invasive broadleaf weeds, but the susceptibility of desirable forbs is not widely known. Native prairie response to AMCP was evaluated near Fargo, ND, and Felton, MN, in the Northern Great Plains. Both sites had high floristic quality prior to treatment, with 33 and 80 different species at Fargo and Felton, respectively. AMCP was applied at 140 g ha−1 in July 2014 to coincide with leafy spurge and Canada thistle treatment timing. AMCP altered the plant communities and reduced foliar cover of undesirable species, high seral forbs (undisturbed stable

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Della-Bianca, Lino, and Donald E. Beck. "Selection Management in Southern Appalachian Hardwoods." Southern Journal of Applied Forestry 9, no. 3 (1985): 191–96. http://dx.doi.org/10.1093/sjaf/9.3.191.

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Abstract A woodland tract of southern Appalachian cove hardwoods and mixed oak has been managed under the selection system of silviculture since 1946. Simply cutting in all commercial diameter classes (i.e., 6.0 inches and larger), as was the practice during the first 24 years, failed to develop enough desirable saplings and poles to maintain the system. After 1970, herbicide treatment of undesirable, tolerant understory species in openings created by removal of large trees or groups of trees has improved the status of desirable saplings. Although long-term costs of management and yields are u

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13

Lebedeva, Daria I., Andrey B. Petrovskiy, and Andrey N. Reshetnikov. "Potential Role of the Eastern Mosquitofish (Gambusia holbrooki) in the Spread of the Harmful Fish Parasite, Asian Tapeworm Schyzocotyle (Bothriocephalus) acheilognathi." Parasitologia 4, no. 4 (2024): 358–68. http://dx.doi.org/10.3390/parasitologia4040031.

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Biological control of undesirable organisms and pathogens often involves the introduction of alien species into new regions. However, alien species themselves pose a potential threat to local ecosystems and economies. The Eastern mosquitofish Gambusia holbrooki is recognised as a dangerous invasive species, but despite this, it is still used for biological control of mosquito larvae, a potential vector of malaria plasmodium transmission to humans, on the Black Sea coast of the Caucasus. We focused on the species composition of helminths in this fish species. We detected adult nematodes Pseudoc

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Robertson, Bruce C., Graeme P. Elliott, Daryl K. Eason, Mick N. Clout, and Neil J. Gemmell. "Sex allocation theory aids species conservation." Biology Letters 2, no. 2 (2006): 229–31. http://dx.doi.org/10.1098/rsbl.2005.0430.

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Supplementary feeding is often a key tool in the intensive management of captive and threatened species. Although it can increase such parameters as breeding frequency and individual survival, supplementary feeding may produce undesirable side effects that increase overall extinction risk. Recent attempts to increase breeding frequency and success in the kakapo Strigops habroptilus using supplementary feeding inadvertently resulted in highly male-biased chick sex ratios. Here, we describe how the inclusion of sex allocation theory has remedied this conservation dilemma. Our study is the first

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Guo, Yarong, Xiong Z. He, Fujiang Hou, and Jizhou Ren. "Stocking rate affects plant community structure and reproductive strategies of a desirable and an undesirable grass species in an alpine steppe, Qilian Mountains, China." Rangeland Journal 42, no. 1 (2020): 63. http://dx.doi.org/10.1071/rj19080.

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The effects of grazing on species reproduction is a fundamental issue of grassland management. We investigated plant density and dry weight changes at community and species levels, and the reproductive strategies of the dominant desirable Stipa purpurea and the undesirable Achnatherum inebrians grass species in response to stocking rate in an alpine steppe with a 10-year grazing history. Results showed complex patterns of plant community and reproductive strategy. Overall plant density increased with increasing stocking rate and dry weight was significantly higher at light and high stocking ra

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Abbate, C. E., and Bob Fischer. "Don’t Demean “Invasives”: Conservation and Wrongful Species Discrimination." Animals 9, no. 11 (2019): 871. http://dx.doi.org/10.3390/ani9110871.

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It is common for conservationists to refer to non-native species that have undesirable impacts on humans as “invasive”. We argue that the classification of any species as “invasive” constitutes wrongful discrimination. Moreover, we argue that its being wrong to categorize a species as invasive is perfectly compatible with it being morally permissible to kill animals—assuming that conservationists “kill equally”. It simply is not compatible with the double standard that conservationists tend to employ in their decisions about who lives and who dies.

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Prajapati, Sunaina, Ranjana Negi, and Harsh Naithani. "A note on the occurrence of two invasive species Alternanthera ficoidea (Amaranthaceae) and Pueraria montana var. lobata (Fabaceae) from Uttarakhand, India." Indian Journal of Forestry 45, no. 3 (2023): 182–84. http://dx.doi.org/10.54207/bsmps1000-2023-xn09mn.

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Some alien species result in significant undesirable impacts on the native biodiversity and create serious hindrance to its conservation and sustainable use. Two such species, viz., Alternanthera ficoidea and Pueraria montana var. lobata are found to be spreading vigorously in Doon Valley of Uttarakhand. The former is an herbaceous species seriously infesting the open spaces throughout the Doon Valley, whereas, the latter is a climber infesting entire vegetation in Dehradun area.

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18

Saba, Neelam, and Wahied Khawar Balwan. "Genetic Pollution: A Safe or Risky Bet?" Scholars Academic Journal of Biosciences 11, no. 04 (2023): 159–62. http://dx.doi.org/10.36347/sajb.2023.v11i04.004.

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Genetic pollution is undesirable gene flow into wild populations. The term is usually associated with the gene flow from a genetically engineered (GE) organism (or genetically modified organism - GMO) to a non GE organism. Genetic pollution and collateral damage from GE field crops already have begun to wreak environmental havoc. Wind, rain, birds, bees, and insect pollinators have begun carrying genetically-altered pollen into adjoining fields, polluting the DNA of crops of organic and non-GE farmers. Once released, it is virtually impossible to recall genetically engineered organisms back to

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Olkhovych, Olga, Natalya Taran, Svitlana Hrechyshkina, and Mykola Musienko. "Influence of Alien Species Pistia stratiotes L., 1753 on Representative Species of Genus Salvinia in Ukraine." Transylvanian Review of Systematical and Ecological Research 22, no. 1 (2020): 43–56. http://dx.doi.org/10.2478/trser-2020-0003.

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Abstract This work purpose was to find the impact of Pistia stratiotes L., 1753 - a new species on the territory of Ukraine, on the vitality of other free-floating hydrophytes so-called pleuston- Salvinia natans (L.) All., 1785, S. laevigatum (Humb. and Bonpl. ex Willd.) Heine, 1968, to determine the degree of stability and competitiveness of these species for resources in natural ecosystems relatively to the undesirable species. To find out the influence of P. stratiotes on other free-floating on the water surface plant species which compete for elements of nutrition among each other, we have

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20

EVCİ, Şevket, and Erva ESER. "Can diet impress horse behaviour?" Journal of Istanbul Veterinary Sciences 7, no. 2 (2023): 99–105. http://dx.doi.org/10.30704/http-www-jivs-net.1292983.

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Along with domestication, various changes in nutrition and digestion have occurred in horses as well as in all species. Our review aims to compile existing studies examining the role of nutrition and digestion in the emergence of undesirable behaviours in domestic horses. The success achieved in species with high adaptability has not been sustained by the change in breeding purposes over the years. Welfare, defined as the physical and mental health of animals. The responses of animals to various stimuli are defined as behaviour. Since the behaviour of animals plays a primary role in monitoring

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21

Donald, Ian W., Brian L. Metcalfe, and Lee A. Gerrard. "The Influence of Metal Diffusion and Interfacial Reactions on the Crystallization Behaviour of Glasses Employed in the Manufacture of Glass-Ceramic-to-Metal Seals." Advanced Materials Research 39-40 (April 2008): 369–74. http://dx.doi.org/10.4028/www.scientific.net/amr.39-40.369.

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One of the major attributes of glass-ceramics is an ability to tailor their thermal expansion characteristics and this makes them ideal candidates for sealing to a wide variety of metals and alloys; however, during the sealing process, reaction of diffusing metal species with glass constituents may occur, and this can lead to the formation of undesirable phases within the interfacial region. In addition, diffusion of metal species into the bulk glass away from the interface may affect the overall crystallization kinetics and can result in the formation of unwanted crystalline phases which may

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Holm, AM, KR Shackleton, and EJ Speijers. "Control of Hakea Preissii (Meissner) and Associated Species by Fire in Degraded Semi-Arid Rangelands." Rangeland Journal 15, no. 1 (1993): 71. http://dx.doi.org/10.1071/rj9930071.

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Hakea preissii has been identified as an undesirable increaser which has invaded formerly productive semi-arid pastoral lands of Western Australia. This paper reports a study designed primarily to assess the susceptibility of H. preissii to fire and to assess the effects of fire on the associated plant community. Plant survival was assessed by comparing the response to a low and high fue fuel load with untreated control plots. Fire intensities of 2900 and 9300 kwlm were achieved with fuel loads of 500 g/m2 and were sufficient to kill 98% of H. preissii by two years after the burn. A fire inten

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Sasaki, Keiko, Shingo Nakama, Quanzhi Tian, et al. "Elution characteristics of undesirable anionic species from fly ash blended cement in different aqueous solutions." Journal of Environmental Chemical Engineering 9, no. 3 (2021): 105171. http://dx.doi.org/10.1016/j.jece.2021.105171.

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Buzhdygan, Oksana Y., Britta Tietjen, Svitlana S. Rudenko, Volodymyr A. Nikorych, and Jana S. Petermann. "Direct and indirect effects of land-use intensity on plant communities across elevation in semi-natural grasslands." PLOS ONE 15, no. 11 (2020): e0231122. http://dx.doi.org/10.1371/journal.pone.0231122.

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Grassland biodiversity is vulnerable to land use change. How to best manage semi-natural grasslands for maintaining biodiversity is still unclear in many cases because land-use processes may depend on environmental conditions and the indirect effects of land-use on biodiversity mediated by altered abiotic and biotic factors are rarely considered. Here we evaluate the relative importance of the direct and indirect effects of grazing intensity on plant communities along an elevational gradient on a large topographic scale in the Eastern Carpathians in Ukraine. We sampled for two years 31 semi-na

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NAVES, PEDRO, PHILIPPE AUGER, ALAIN MIGEON, DENISE NAVIA, ANTÓNIO AGUIAR, and MÁRCIA SANTOS. "The invasive Lewis spider mite, Eotetranychus lewisi (Acari: Tetranychidae), in Europe—current status and associated risk." Zoosymposia 22 (November 30, 2022): 70. http://dx.doi.org/10.11646/zoosymposia.22.1.35.

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Invasive pests and pathogens are an undesirable consequence of international trade and travel, and often result in significant ecological and economic impacts. In Europe, the number of spider mites (Tetranychidae) is steadily increasing with the arrival of introduced species, most of which have the status of pests. During the last decades two invasive species have occasionally caused major damage to crops in Europe, namely Tetranychus evansi and Oligonychus perseae.

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CHARTERIS, WILLIAM P., PHILLIP M. KELLY, LORENZO MORELLI, and J. KEVIN COLLINS. "Antibiotic Susceptibility of Potentially Probiotic Lactobacillus Species." Journal of Food Protection 61, no. 12 (1998): 1636–43. http://dx.doi.org/10.4315/0362-028x-61.12.1636.

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In recent years, the time-honored reputation of lactobacilli as promoters of gastrointestinal and female urogenital health has been qualified. This has occurred due to a rare association with human infection in the presence of certain predisposing factors and their potential to act as a source of undesirable antibiotic resistance determinants to other members of the indigenous microbiota. This necessitates greater caution in their selection for use in microbial adjunct nutrition and disease management (prophylaxis and therapy). It was against this background that 46 Lactobacillus strains from

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Teissedre, Pierre-Louis. "Composition of grape and wine from resistant vines varieties." OENO One 52, no. 3 (2018): 211–17. http://dx.doi.org/10.20870/oeno-one.2018.52.3.2223.

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Obtaining resistant varieties to diseases without loss of organoleptic quality is a real challenge for oenology. Inter-specific hybridization of grapevines began in the 19th century and was initially aimed at introducing pest and disease resistance in offspring. Later, several breeding programmes implemented worldwide led to the development of varieties showing different characteristics such as cold-hardiness, short/long growing season, and pest resistance. Vitis vinifera grapes have preferred flavour characteristics for wine production, but they tend to be susceptible to pests, diseases, and

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Trepanier, Kaitlyn E., Brea Burton, and Bradley D. Pinno. "Do Weeds Hinder the Establishment of Native Plants on a Reclaimed North American Boreal Mine Site?" Diversity 13, no. 2 (2021): 76. http://dx.doi.org/10.3390/d13020076.

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The majority of plant diversity in the boreal forest of northern Alberta, Canada is comprised of native understory plant species that are continuously facing competition from other species, including both undesirable native and weedy species. In oil sands mine reclamation, cover soils rich in organic matter are used to cap overburden materials. The aim of this study is to understand the role of weeds on different reclamation cover soils (forest floor-mineral mix and peat-mineral mix) and determine if they hinder the establishment of the native plant community. This study was conducted four gro

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Orr, D. M., C. J. Paton, and A. T. Lisle. "Using fire to manage species composition in Heteropogon contortus (black speargrass) pastures. 1. Burning regimes." Australian Journal of Agricultural Research 48, no. 6 (1997): 795. http://dx.doi.org/10.1071/a96130.

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A reduction in the proportion of the desirable grass Heteropogon contortus(black speargrass) and an increase in the undesirable Aristidaspp . (wiregrasses) are evident in commercially grazed pastures. This paper evaluates the effectiveness of spring burning regimes over a period of 4 years (1989-92) in reversing this form of pasture degradation. Burning increased the proportion of H. contortus when pastures remained ungrazed but not when pastures were grazed, because cattle selectively grazed H. contortus after burning. Burning reduced the proportion of Aristida spp and other undesirable grass

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Sheehan, Michael J., and H. Kern Reeve. "Evolutionarily stable investments in recognition systems explain patterns of discrimination failure and success." Philosophical Transactions of the Royal Society B: Biological Sciences 375, no. 1802 (2020): 20190465. http://dx.doi.org/10.1098/rstb.2019.0465.

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Many animals are able to perform recognition feats that astound us—such as a rodent recognizing kin it has never met. Yet in other contexts, animals appear clueless as when reed warblers rear cuckoo chicks that bear no resemblance to their own species. Failures of recognition when it would seem adaptive have been especially puzzling. Here, we present a simple tug-of-war game theory model examining how individuals should optimally invest in affecting the accuracy of discrimination between desirable and undesirable recipients. In the game, discriminating individuals (operators) and desirable and

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Palpacelli, Valentino, Maurizio Ciani, and Gianfranco Rosini. "Activity of different âkillerâ yeasts on strains of yeast species undesirable in the food industry." FEMS Microbiology Letters 84, no. 1 (1991): 75–78. http://dx.doi.org/10.1111/j.1574-6968.1991.tb04572.x.

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Staley, James T. "The bacterial species dilemma and the genomic–phylogenetic species concept." Philosophical Transactions of the Royal Society B: Biological Sciences 361, no. 1475 (2006): 1899–909. http://dx.doi.org/10.1098/rstb.2006.1914.

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The number of species of Bacteria and Archaea ( ca 5000) is surprisingly small considering their early evolution, genetic diversity and residence in all ecosystems. The bacterial species definition accounts in part for the small number of named species. The primary procedures required to identify new species of Bacteria and Archaea are DNA–DNA hybridization and phenotypic characterization. Recently, 16S rRNA gene sequencing and phylogenetic analysis have been applied to bacterial taxonomy. Although 16S phylogeny is arguably excellent for classification of Bacteria and Archaea from the Domain l

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Olonova, M. "Application of growth habit features in the taxonomy of plain species from aggr. Poa pratensis L." Modern Phytomorphology 5 (April 1, 2014): 187–92. https://doi.org/10.5281/zenodo.161024.

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In addition to typical meadow species, Poa pratensis, 4 other species are recognized within this aggregate. Only the leaf width is used often for their identification. These species are known to be satisfactorily distinguished in their growth habits, but detailed studies showed that growth habit is not a reliable discriminator and it seems to be only a reflection of general trends. Neither width of leaves, nor characters of growth habit are successful features in their identification. To avoid wrong identifications, which could lead undesirable consequences, all morphological characters and gr

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Wiech, Martin, Marta Silva, Sonnich Meier, et al. "Undesirables in Mesopelagic Species and Implications for Food and Feed Safety—Insights from Norwegian Fjords." Foods 9, no. 9 (2020): 1162. http://dx.doi.org/10.3390/foods9091162.

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The increase in the global population demands more biomass from the ocean as future food and feed, and the mesopelagic species might contribute significantly. In the present study, we evaluated the food and feed safety of six of the most abundant mesopelagic species in Norwegian fjords. Trace elements (i.e., arsenic, cadmium, mercury, and lead), organic pollutants (i.e., dioxins, furans, dioxin-like polychlorinated biphenyls, and polybrominated flame-retardants), and potentially problematic lipid compounds (i.e., wax esters and erucic acid) were analyzed and compared to existing food and feed

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Tyndale-Biscoe, CH. "Virus-vectored immunocontraception of feral mammals." Reproduction, Fertility and Development 6, no. 3 (1994): 281. http://dx.doi.org/10.1071/rd9940281.

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The potential value of immunosterilization as a means to control species of wildlife that are widespread, numerous and undesirable is assessed. Key questions about the efficacy of fertility control and the means for delivering antigens expressed in recombinant viral vectors are discussed and the legal and social concerns that relate to its possible future use are raised.

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Peláez, Daniel V., Romina J. Andrioli, Omar R. Elia, Eliana E. Bontti, María A. Tomas, and Francisco R. Blazquez. "Response of grass species to different fire frequencies in semi-arid rangelands of central Argentina." Rangeland Journal 35, no. 4 (2013): 385. http://dx.doi.org/10.1071/rj13025.

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The study was undertaken to quantify the effect of different controlled fire frequencies on foliar cover, density, individual basal area, and mortality of the most common perennial grass species in the semi-arid rangelands of the southern Caldenal in central Argentina over a 20-year period. Cover of bare soil was also assessed. The study comprised three fire treatments: (i) high fire frequency (controlled burns every 3–5 years; HFF); (ii) low fire frequency (controlled burns every 8 years; LFF); and (iii) unburned control (C). Fire treatments, regardless of frequency, induced an increase in fo

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Almquist, Travis L., and Rodney G. Lym. "Effect of Aminopyralid on Canada Thistle (Cirsium arvense) and the Native Plant Community in a Restored Tallgrass Prairie." Invasive Plant Science and Management 3, no. 2 (2010): 155–68. http://dx.doi.org/10.1614/ipsm-d-09-00019.1.

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AbstractAminopyralid efficacy on Canada thistle (Cirsium arvense) and potential to injure native species was evaluated in a restored prairie at the Glacial Ridge Preserve managed by The Nature Conservancy in Polk County, MN. Canada thistle stem density was reduced from 17 to 0.1 stems m−2 10 mo after treatment (MAT) with aminopyralid applied in the fall at 120 g ha−1. Aminopyralid also altered the composition of both Canada thistle–infested and native plant communities. Aminopyralid controlled Canada thistle and removed or reduced several undesirable forb species from the restored prairie comm

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Brunetta, Vitória, and Rodrigo Machado Feitosa. "An undesirable presence: first record of the exotic ant Monomorium floricola (Jerdon, 1851) (Hymenoptera, Formicidae, Myrmicinae) for Peru." Check List 20, no. 6 (2024): 1397–403. https://doi.org/10.15560/20.6.1397.

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Monomorium floricola (Jerdon, 1851) is an invasive exotic ant species due to its occurrence outside its native range, its impacts on native species, and economic harm. This study presents the first records of M. floricola in Peru, which were collected during field courses in 2012 and 2013 in disturbed areas of the Peruvian Amazon. Given the distance between the recorded locations, its invasive potential, and the previously reported impacts, we emphasize that this is an alarming situation that requires further research on its occurrence and impacts in this region.

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Brunetta, Vitória, and Rodrigo Machado Feitosa. "An undesirable presence: first record of the exotic ant Monomorium floricola (Jerdon, 1851) (Hymenoptera, Formicidae, Myrmicinae) for Peru." Check List 20, no. (6) (2024): 1397–403. https://doi.org/10.15560/20.6.1397.

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<em>Monomorium floricola</em> (Jerdon, 1851) is an invasive exotic ant species due to its occurrence outside its native range, its impacts on native species, and economic harm. This study presents the first records of <em>M. floricola</em> in Peru, which were collected during field courses in 2012 and 2013 in disturbed areas of the Peruvian Amazon. Given the distance between the recorded locations, its invasive potential, and the previously reported impacts, we emphasize that this is an alarming situation that requires further research on its occurrence and impacts in this region.

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Verloove, Filip, and Luc Devos. "The Chinese weed Corydalis linstowiana (Papaveraceae) recorded for the first time in Belgium." Dumortiera 117 (February 22, 2021): 36–39. https://doi.org/10.5281/zenodo.4541068.

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<em>Corydalis linstowiana</em> Fedde is a Chinese species with a rather limited natural distribution (the western part of Sichuan). It is cultivated, although probably very rarely, as an ornamental plant and – thanks to its ‘explosive’ fruits – is sometimes observed in a subspontaneous or even locally naturalized state. It is often considered an undesirable xenophyte rather than an ornamental plant. An apparently well-established population has been observed for some time now in Bruges (province of West Flanders), in and around a garden cen

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Šviráková, Eva, Kateřina Loupancová, and Irena Němečková. "Application of the LAMP Method for Detection of Undesirable Bacteria in Whey." Chemické listy 116, no. 11 (2022): 693–99. http://dx.doi.org/10.54779/chl20220693.

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The LAMP method (Loop-Mediated Isothermal Amplification) is a molecular biological method for the amplification of specific DNA and RNA sequences suitable for the detection of various pathogenic, semi-pathogenic and technological undesirable microorganisms. The aim of the work is using the LAMP method for the option verification of detection of health and technologically undesirable bacteria in liquid sweet whey under laboratory conditions. Experiments were carried out with 12 bacterial strains, including three representatives of Gram-positive bacteria (Enterococcus spp., Streptococcus sp.) an

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Bebe, Frederick N., Terry Hutchens, Kenneth M. Andries, Ken J. Bates, Terry Gipson, and Myron Evans. "Meat Goats in Hillside Pastures: Control of Undesirable Plant Species and GPS Collar Determination of Activity Patterns." Journal of the Kentucky Academy of Science 75, no. 1-2 (2014): 69–79. http://dx.doi.org/10.3101/kyac-75-01-69-79.1.

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Huang, Hui, and PingSun Leung. "Modeling protected species as an undesirable output: The case of sea turtle interactions in Hawaii's longline fishery." Journal of Environmental Management 84, no. 4 (2007): 523–33. http://dx.doi.org/10.1016/j.jenvman.2006.07.008.

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Chan, Yiu-Kwok. "Denitrification by a diazotrophic Pseudomonas species." Canadian Journal of Microbiology 31, no. 12 (1985): 1136–41. http://dx.doi.org/10.1139/m85-214.

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Pseudomonas sp. type strain H8 is a N2-fixing H2-utilizing bacterium frequently isolated from the root of wetland rice. It was previously reported not to denitrify although [Formula: see text] was reduced to [Formula: see text]. In the present study it grew anaerobically with [Formula: see text], [Formula: see text], or N2O as electron acceptor. Its capability to denitrify was confirmed by using the C2H2-inhibition technique in both undefined and defined media with glucose as carbon source. Chemolithotrophic denitrification of [Formula: see text] with H2 and CO2 was also demonstrated. Its H2-u

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Guzmán, Hardy S., Jorge E. Toro, Pablo A. Oyarzún, Alex Illesca, Xiomara Ávila, and Jonathan P. A. Gardner. "Species-Specific Mytilus Markers or Hybridization Evidence?" Diversity 17, no. 2 (2025): 82. https://doi.org/10.3390/d17020082.

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The development of molecular methods to detect Mytilus hybrids is important for food authentication, conservation, and the sustainable management of shellfish aquaculture as accurate food labeling is a legal requirement, and because introgression may promote undesirable phenotypes or displace native species. However, nuclear and mitochondrial markers can segregate independently, compromising diagnostic congruence between these markers. This study aimed to detect hybrids in the Mytilus edulis species complex using a multi-locus approach, including RFLP-PCR assays for Me 15/16, 16S rRNA, and COI

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Korunic, Zlatko. "Overview of undesirable effects of using diatomaceous earths for direct mixing with grains." Pesticidi i fitomedicina 31, no. 1-2 (2016): 9–18. http://dx.doi.org/10.2298/pif1602009k.

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Despite numerous advantages of diatomaceous earth (DE), its use for direct mixing with grains to control stored-product insects remains limited because of some very serious obstacles and disadvantages. The main obstacles preventing a wider use of DEs for mixing with grain, such as health concerns, the reduction in bulk density, differences in insect species tolerance to the same DE formulation, the effects of grain moisture and temperature on the effectiveness against insects, the influence of various commodities on DE efficacy, the use of DEs in some other fields, and possible solutions for o

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Egorov, Alexander B., Lidiya N. Pavluchenkova, Anton M. Postnikov, and Alexander A. Bubnov. "Growing Birch in Clear-cut Areas with Herbicide Application." Lesnoy Zhurnal (Forestry Journal), no. 5 (November 1, 2023): 58–74. http://dx.doi.org/10.37482/0536-1036-2023-5-58-74.

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Birch, being one of the main forest-forming tree species, has valuable and soughtafter timber. In production forest conditions, natural regeneration and crops of this species experience strong competition from both grass cover and undesirable hardwoods (aspen, gray alder and willow). Without carrying out high-quality maintenance (agrotechnical care, clearing), the formation of economically valuable birch forests is impossible. The most effective and economical is the chemical care method, which involves the use of modern environmentally friendly herbicides. However, if technological regulation

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Platonov, Aleksey. "Assessment of the species diversity of vegetation growing on the territories of linear infrastructure facilities in Central Russia." Forestry Engineering Journal 13, no. 1 (2023): 180–93. http://dx.doi.org/10.34220/issn.2222-7962/2023.1/12.

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When form protective forest stands along linear infrastructure facilities, the problem of subsequent spontaneous reproduction of trees and shrubs arises, littering the territories of the above facilities and creating a threat to the safety of their operation. Works on cleaning the territories of infrastructure facilities from unwanted tree and shrub vegetation are often organized without a sufficiently clear idea of the characteristics of the said vegetation to be removed, which negatively affects the quality of the performance of these works.The purpose of the research is to determine the spe

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Benito, Calderón, and Benito. "The Influence of Non-Saccharomyces Species on Wine Fermentation Quality Parameters." Fermentation 5, no. 3 (2019): 54. http://dx.doi.org/10.3390/fermentation5030054.

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In the past, some microbiological studies have considered most non-Saccharomyces species to be undesirable spoilage microorganisms. For several decades, that belief made the Saccharomyces genus the only option considered by winemakers for achieving the best possible wine quality. Nevertheless, in recent decades, some strains of non-Saccharomyces species have been proven to improve the quality of wine. Non-Saccharomyces species can positively influence quality parameters such as aroma, acidity, color, and food safety. These quality improvements allow winemakers to produce innovative and differe

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Van Winkle, Lon J. "Amino Acid Transport and Metabolism Regulate Early Embryo Development: Species Differences, Clinical Significance, and Evolutionary Implications." Cells 10, no. 11 (2021): 3154. http://dx.doi.org/10.3390/cells10113154.

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In this review we discuss the beneficial effects of amino acid transport and metabolism on pre- and peri-implantation embryo development, and we consider how disturbances in these processes lead to undesirable health outcomes in adults. Proline, glutamine, glycine, and methionine transport each foster cleavage-stage development, whereas leucine uptake by blastocysts via transport system B0,+ promotes the development of trophoblast motility and the penetration of the uterine epithelium in mammalian species exhibiting invasive implantation. (Amino acid transport systems and transporters, such as

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