Results 51 to 60 of about 1,000,186 (343)

Observational evidence for the convective transport of dust over the central United States [PDF]

, 2016
Bulk aerosol composition and aerosol size distributions measured aboard the DC-8 aircraft during the Deep Convective Clouds and Chemistry Experiment mission in May/June 2012 were used to investigate the transport of mineral dust through nine storms ...
Anderson, B. E., Barth, M. C., Beyersdorf, A. J., Blake, D. R., Chen, G., Corr, C. A., Crosbie, E., Dibb, Jack E., Lawson, R. P., Moore, R. H., Scheuer, Eric M., Schroeder, J. R., Shook, M., Thornhill, K. L., Winstead, E., Ziemba, L. D.   +15 more
core   +3 more sources

Plant phenological synchrony increases under rapid within-spring warming [PDF]

Scientific Reports, 2016
AbstractPhenological synchrony influences many ecological processes. Recent climate change has altered the synchrony of phenology, but little is known about the underlying mechanisms. Here using in situ phenological records from Europe, we found that the standard deviation (SD, as a measure of synchrony) of first leafing day (FLD) and the SD of first ...
Cong Wang, Yanhong Tang, Jin Chen
openaire   +2 more sources

Natural Enemies of Alfalfa Weevil, \u3ci\u3eHypera Postica\u3c/i\u3e (Coleoptera: Curculionidae), in Minnesota [PDF]

, 2017
Alfalfa weevil, Hypera postica, is present throughout Minnesota. How- ever, economically damaging populations seldom occur, due to a combination of natural enemies and adverse climatic conditions.
Flanders, Kathy L, Krueger, Craig A, Radcliffe, Edward B   +2 more
core   +2 more sources

Development, Survival and Phenology of the Sweetclover Weevil Parasitoid, \u3ci\u3ePygostolus Falcatus\u3c/i\u3e (Hymenoptera: Braconidae) [PDF]

, 2018
Biennial sweetclovers were widely used for soil improvement and as for- ages in the first half of the 1900s. The introduction of the sweetclover weevil, Sitona cylindricollis, caused a drastic decline in sweetclover acreage.
Milbrath, Lindsey R, Weiss, Michael J
core   +2 more sources

Winter and spring warming result in delayed spring phenology on the Tibetan Plateau [PDF]

Proceedings of the National Academy of Sciences, 2010
Climate change has caused advances in spring phases of many plant species. Theoretically, however, strong warming in winter could slow the fulfillment of chilling requirements, which may delay spring phenology. This phenomenon should be particularly pronounced in regions that are experiencing rapid temperature increases and are characterized by highly ...
Haiying, Yu, Eike, Luedeling, Jianchu, Xu   +2 more
openaire   +2 more sources

Autumn Phenology and Its Covariation with Climate, Spring Phenology and Annual Peak Growth on the Mongolian Plateau

, 2021
Using the normalized difference vegetation index (NDVI) and climate data, we calculated the end of the growing season (EOS; unit: day-of-year (DOY)) on the Mongolian Plateau and explored the effects of the climate, the start of the growing season (SOS ...
G. Bao, Hugejiletu Jin, Siqin Tong, Jiquan Chen, Xiaojun Huang, Y. Bao, C. Shao, U. Mandakh, M. Chopping, L. Du   +9 more
semanticscholar   +1 more source

Detecting and predicting spatial and interannual patterns of temperate forest springtime phenology in the eastern U.S. [PDF]

, 2002
We performed a diagnostic analysis of AVHRR-NDVI and gridded, temperature data for the deciduous forests of the eastern U.S., calibrating temperature accumulation model with satellite data for 1982–1993.
Aber, John, Braswell, Rob, Frolking, Steve, Jenkins, J P   +3 more
core   +2 more sources

Deficiencies of Phenology Models in Simulating Spatial and Temporal Variations in Temperate Spring Leaf Phenology

Journal of Geophysical Research: Biogeosciences, 2022
AbstractSpring leaf phenology and its response to climate change have crucial effects on surface albedo, carbon balance, and the water cycle of terrestrial ecosystems. Based on long‐term (period 1963–2014) in situ observations of budburst date and leaf unfolding date of more than 300 deciduous woody species from 32 sites across the temperate zone in ...
Li, Shihua, Wang, Yingping, Ciais, Philippe, Sitch, Stephen, Sato, Hisashi, Shen, Miaogen, Chen, Xiuzhi, Ito, Akihiko, Wu, Chaoyang, Kucharik, Christopher, Yuan, Wenping   +10 more
openaire   +2 more sources

Spring ephemeral Erythronium umbilicatum may not be vulnerable to phenological mismatch with overstory trees

American Journal of Botany, EarlyView.
Abstract Premise The defining life history strategy of spring ephemeral wildflowers is their avoidance of shading by trees during the brief, high‐light period before canopy leaf out. Studies suggest that spring ephemerals will experience increased light competition because canopy leaf out is more sensitive to warming than is the phenology of spring ...
Melina Schopler, Anita Simha, Rebecca M. Dalton, Emma M. Wilson, Emmeline Redick, Elsa Youngsteadt, William K. Petry   +6 more
wiley   +1 more source

The spread of non‐native species

Biological Reviews, EarlyView.
ABSTRACT The global redistribution of species through human agency is one of the defining ecological signatures of the Anthropocene, with biological invasions reshaping biodiversity patterns, ecosystem processes and services, and species interactions globally.
Phillip J. Haubrock, Ali Serhan Tarkan, Irene Martín‐Forés, Stelios Katsanevakis, Ronaldo Sousa, Ismael Soto, Andy J. Green, Antonín Kouba, Teun Everts, Victoria Dominguez Almela, Nadège Belouard, Cang Hui, Jamie Bojko, Victor Deklerck, Margaux Boeraeve, Franz Essl, J. Robert Britton   +16 more
wiley   +1 more source