Characteristic of Atmospheric Ammonia in Swine Breeding Area

2021 ◽  
Vol 37 (6) ◽  
pp. 853-861
Author(s):  
Yuna Jang ◽  
Taehwan Ha ◽  
Mijung Song ◽  
Siyoung Seo ◽  
Minwoong Jung ◽  
...  
Keyword(s):  
Breeding Area ◽  
Atmospheric Ammonia

Temporal patterns in the acoustic presence of baleen whale species in a presumed breeding area off Namibia

2019 ◽  
Vol 620 ◽  
pp. 201-214 ◽  
Author(s):  
K Thomisch ◽  
O Boebel ◽  
J Bachmann ◽  
D Filun ◽  
S Neumann ◽  
...  
Keyword(s):  
Temporal Patterns ◽  
Baleen Whale ◽  
Breeding Area

Atmospheric ammonia - Measurements and modeling

1981 ◽  
Author(s):  
J. HOELL, JR. ◽  
J. LEVINE ◽  
T. AUGUSTSSON ◽  
C. HARWARD
Keyword(s):  
Atmospheric Ammonia

Tolerance of Atmospheric Ammonia by Laboratory Mice

2006 ◽  
Author(s):  
A.R. Green ◽  
C.M. Wathes ◽  
T.G.M. Demmers ◽  
J. MacArthur-Clark ◽  
H. Xin
Keyword(s):  
Laboratory Mice ◽  
Atmospheric Ammonia

A study of atmospheric ammonia by means of modeling analysis in the Kanto region of Japan

2005 ◽  
Vol 39 (2) ◽  
pp. 203-210 ◽  
Author(s):  
Tatsuya Sakurai ◽  
Shin-ichi Fujita ◽  
Hiroshi Hayami ◽  
Noritaka Furuhashi
Keyword(s):  
Atmospheric Ammonia ◽  
Modeling Analysis ◽  
Kanto Region

scholarly journals Sex, age, molt strategy, and migration distance explain the phenology of songbirds at a stopover along the East Asian flyway

2021 ◽  
Vol 75 (1) ◽  
Author(s):  
Jonas Wobker ◽  
Wieland Heim ◽  
Heiko Schmaljohann
Keyword(s):  
East Asian ◽  
Russian Far East ◽  
First Year ◽  
Large Set ◽  
Differential Migration ◽  
Breeding Area ◽  
Migration Distance ◽  
Stopover Site ◽  
Evolutionary Response ◽  
Migrant Birds

Abstract Sex- and age-specific differences in the timing of migration are widespread among animals. In birds, common patterns are protandry, the earlier arrival of males in spring, and age-differential migration during autumn. However, knowledge of these differences stems mainly from the Palearctic-African and Nearctic-Neotropical flyways, while detailed information about the phenology of migrant birds from the East Asian flyway is far scarcer. To help fill parts of this gap, we analyzed how migration distance, sex, age, and molt strategy affect the spring and autumn phenologies of 36 migrant songbirds (altogether 18,427 individuals) at a stopover site in the Russian Far East. Sex-differential migration was more pronounced in spring than in autumn, with half of the studied species (6 out of 12) showing a protandrous migration pattern. Age-differences in migration were rare in spring but found in nearly half of the studied species (11 out of 25) in autumn. These age effects were associated with the birds’ molt strategy and the mean latitudinal distances from the assumed breeding area to the study site. Adults performing a complete molt before the onset of autumn migration passed the study site later than first-year birds undergoing only a partial molt. This pattern, however, reversed with increasing migration distance to the study site. These sex-, age-, and molt-specific migration patterns agree with those found along other flyways and seem to be common features of land bird migration strategies. Significance statement The timing of animal migration is shaped by the availability of resources and the organization of annual cycles. In migrant birds, sex- and age-differential migration is a common phenomenon. For the rarely studied East Asian flyway, we show for the first time and based on a large set of migrant songbirds that earlier migration of males is a common pattern there in spring. Further, the timing and extent of molt explained age-differential migration during autumn. Adults molting their complete plumage at the breeding area before migration showed delayed phenology in comparison to first-year birds, which perform only a partial molt. This pattern, however, reversed with increasing migration distance to the study site. Since our results agree with the general patterns from the other migration flyways, similar drivers for differential migration may act across different flyway systems, provoking a similar evolutionary response.

Exploring the Global Importance of Atmospheric Ammonia Oxidation

2021 ◽  
Author(s):  
Sidhant J. Pai ◽  
Colette L. Heald ◽  
Jennifer G. Murphy
Keyword(s):  
Ammonia Oxidation ◽  
Atmospheric Ammonia

scholarly journals Marine and land-based influences on atmospheric ammonia and ammonium over Tenerife

Tellus B ◽  
2000 ◽  
Vol 52 (2) ◽  
pp. 273-289 ◽  
Author(s):  
C. Milford ◽  
M. A. Sutton ◽  
A. G. Allen ◽  
A. Karlsson ◽  
B. M. Davison ◽  
...  
Keyword(s):  
Atmospheric Ammonia

scholarly journals Autumn movements of fin whales (Balaenoptera physalus) from Svalbard, Norway, revealed by satellite tracking

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Christian Lydersen ◽  
Jade Vacquié-Garcia ◽  
Mads Peter Heide-Jørgensen ◽  
Nils Øien ◽  
Christophe Guinet ◽  
...  
Keyword(s):  
Satellite Tracking ◽  
The Other ◽  
Life History Strategies ◽  
High Latitudes ◽  
Breeding Area ◽  
Balaenoptera Physalus ◽  
Westerly Direction ◽  
Satellite Transmitters ◽  
Fin Whales ◽  
Insight Into

Abstract Insight into animal movements is essential for understanding habitat use by individuals as well as population processes and species life-history strategies. In this study, we instrumented 25 fin whales with ARGOS satellite-transmitters in Svalbard, Norway, to study their movement patterns and behaviour (Area Restricted Search (ARS), transiting or unknown) during boreal autumn/early winter. Ten of the whales stayed in the tagging area (most northerly location: 81.68°N) for their entire tracking periods (max 45 days). The other 15 whales moved in a south-westerly direction; the longest track ended off the coast of northern Africa (> 5000 km from the tagging location) after 96 days. The whales engaged in ARS behaviour intermittently throughout their southward migrations. During transit phases the whales moved quickly; one individual maintained an average horizontal speed of 9.3 km/h (travelling 223 km per day) for a period of a week. This study documents that: (1) some fin whales might remain at high latitudes during winter; (2) the whales that do migrate probably feed along the way; (3) they can maintain high transiting speed for long periods and; (4) one breeding area for this species is likely located in deep, warm water some 100 km west of Morocco.

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