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291.
S. N. Sannikov A. I. Zakharov L. G. Smol’nikova N. S. Sannikova 《Russian Journal of Ecology》2010,41(1):1-6
A significant positive correlation between the density of lightning fires and the horizontal gradient of anomalous geomagnetic
field is demonstrated on the basis of studies on lichen pine forests in the Konda River basin (Khanty-Mansi Autonomous Area,
Western Siberia) and analysis of published data. Schematic hypotheses of global connections in the atmosphere-lithosphere-forest-lightning
fire are proposed. 相似文献
292.
Godoi Marcelo Leitemberger Andrielli Böhs Lucas Martins Correa Silveira Marcia Victoria Rafique Jamal D’Oca Marcelo Gonçalves Montes 《Environmental Chemistry Letters》2019,17(3):1441-1446
Environmental Chemistry Letters - Herein, we describe a simple and inexpensive protocol for the hydrothiolation of alkynes. In this context, water extract of rice straw ash (WERSA) has been proven... 相似文献
293.
Vigni Lorenza Li Daskalopoulou Kyriaki Calabrese Sergio Kyriakopoulos Konstantinos Parello Francesco Brugnone Filippo D’Alessandro Walter 《Environmental geochemistry and health》2022,44(7):2111-2133
Environmental Geochemistry and Health - Geothermal areas of Greece are located in regions affected by recent volcanism and in continental basins characterised by elevated heat flow. Many of them... 相似文献
294.
Tawfik Ahmed Alalm Mohamed Gar Awad Hanem M. Islam Muhammad Qyyum Muhammad Abdul Al-Muhtaseb Ala’a H. Osman Ahmed I. Lee Moonyong 《Environmental Chemistry Letters》2022,20(3):1839-1862
Conventional methods to clean wastewater actually lead to incomplete treatments, calling for advanced technologies to degrade recalcitrant pollutants. Herein we review solar photo-oxidation to degrade the recalcitrant contaminants in industrial wastewater, with focus on photocatalysts, reactor design and the photo-Fenton process. We discuss limitations due to low visible-light absorption, catalyst collection and reusability, and production of toxic by-products. Photodegradation of refractory organics by solar light is controlled by pH, photocatalyst composition and bandgap, pollutant properties and concentration, irradiation type and intensity, catalyst loading, and the water matrix.
相似文献295.
Zaini Nur’atiah Ean Lee Woen Ahmed Ali Najah Malek Marlinda Abdul 《Environmental science and pollution research international》2022,29(4):4958-4990
Environmental Science and Pollution Research - Rapid progress of industrial development, urbanization and traffic has caused air quality reduction that negatively affects human health and... 相似文献
296.
How biological systems resolve internal conflicts is a major evolutionary question. Social insect workers cooperate but also pursue individual interests, such as laying male eggs. The rewards of this individual selfishness can be reduced by policing, such as by killing worker-laid eggs. However, selfish individuals may evade policing. What factors prevent individuals from being able to evade policing? In the ant Pachycondyla inversa, workers kill (police) worker-laid eggs. Because the colony keeps eggs in piles and worker-laid and queen-laid eggs are chemically distinct, worker-laid eggs might become more acceptable once placed in the egg pile by odour transfer from touching queen-laid eggs. Here, we show that such “cue scrambling” does not occur. Worker-laid eggs that were sandwiched between three queen-laid eggs for 45 min were not more acceptable in a policing bioassay than control worker-laid eggs. Chemical analyses also showed that the surface hydrocarbon profile of these eggs was unchanged. Policing, therefore, is stable against this potential cheating mechanism probably because queen-laid eggs are made chemically distinct using chemicals, that are not easily transferred by physical contact. 相似文献
297.
Invasions of nonnative species such as zebra mussels can have both ecological and economic consequences. The economic impacts
of zebra mussels have not been examined in detail since the mid-1990s. The purpose of this study was to quantify the annual
and cumulative economic impact of zebra mussels on surface water-dependent drinking water treatment and electric power generation
facilities (where previous research indicated the greatest impacts). The study time frame was from the first full year after
discovery in North America (Lake St. Clair, 1989) to the present (2004); the study area was throughout the mussels’ North
American range. A mail survey resulted in a response rate of 31% for electric power companies and 41% for drinking water treatment
plants. Telephone interviews with a sample of nonrespondents assessed nonresponse bias; only one difference was found and
adjusted for. Over one-third (37%) of surveyed facilities reported finding zebra mussels in the facility and almost half (45%)
have initiated preventive measures to prevent zebra mussels from entering the facility operations. Almost all surveyed facilities
(91%) with zebra mussels have used control or mitigation alternatives to remove or control zebra mussels. We estimated that
36% of surveyed facilities experienced an economic impact. Expanding the sample to the population of the study area, we estimated
$267 million (BCa 95% CI = $161 million–$467 million) in total economic costs for electric generation and water treatment
facilities through late 2004, since 1989. Annual costs were greater ($44,000/facility) during the early years of zebra mussel
infestation than in recent years ($30,000). As a result of this and other factors, early predictions of the ultimate costs
of the zebra mussel invasion may have been excessive. 相似文献
298.
A. S. Tret’yakova 《Russian Journal of Ecology》2006,37(2):97-102
The data on the biological diversity, bioecological features, and geographic variations of segetal plants in the Middle Urals are presented for the first time. It has been shown that apophytic and anthropophytic groups are equally represented among them. Each group is characterized, and the phytocoenotic activity of segetal plants is considered. 相似文献
299.
300.
Four key factors determining the ecological niche of the Himalayan marmot, Marmota himalayana Hodgson (1841), in the Central Himalayas (Nepal) have been identified. These are elevation above sea level, temperature, the presence of accumulative formations, and feeding conditions. The Himalayan marmot ecologically differs from all other marmots of the world fauna, and the main difference is that the lower boundary of its range lies very high—3000 m above sea level. 相似文献