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共检索到55条 ,权限内显示50条;
Data from: Colour as a backup for scent in the presence of olfactory noise: testing the efficacy backup hypothesis using bumblebees
- 负责人：
- DOI：
- doi:10.5061/dryad.3g591
- 摘要：
- h a metabolic cost and an increased conspicuousness to floral antagonists. Why then do plants invest in these costly multimodal displays? The efficacy backup hypo
Politbarometer 1981 (Kumulierter Datensatz);;Politbarometer 1981 (Cumulated Data Set)
- 负责人：
- MARPLAN, Offenbach
- 关键词：
- KAT15 Political Attitudes and Behavior Arbeitslosigkeit Freizeit, Tourismus und Sport Kulturelle Aktivit?ten und Teilnahme Religion und Werte Massenmedien Internationale Politik und Institutionen Konflikte, Sicherheit und Frieden Politische Verhaltensweisen und Einstellungen\/Meinungen Regierung, politische Systeme, Parteien und Verb?nde
- DOI：
- doi:10.4232/1.2194
- 摘要：
- , housing construction, public transportation, agriculture, the EC, civil service or science and research as preferred areas for government economies (the list of economy
Water quality data for Fall Creek (Tompkins County, NY) sampling sites: 1972-1995
- 负责人：
- 关键词：
- streams, watersheds, stream flow, water pollution, water quality, water pH, agricultural pollution, sediment pollution, alkalinity, calcium, cations, anions, magnesium, chlorides, sulfates, potassium, sodium, nitrates, nitrogen, ammonium compounds, phosphorus Fall Creek Tompkins County, NY Fertilizers, Discharge\/Flow, Rivers\/Streams, Surface Water Chemistry, pH, Alkalinity, Nitrogen Compounds, Nutrients, Phosphorous Compounds, Water Ion Concentration, Suspended Solids
- DOI：
- doi:10.5063/aa/gss1.12.1
- 摘要：
- , and Anne Hedges. 1976. Phosphorus loss by stream transport from a rural watershed: Quantities, processes and sources. J. Environ Quality. 5:148-157. Johns
Data from: Functional connectivity in replicated urban landscapes in the land snail (Cornu aspersum)
- 负责人：
- DOI：
- doi:10.5061/dryad.p9f13
- 摘要：
- s suggest that urban transport infrastructures facilitate passive snail dispersal. At a local scale, corresponding to active dispersal, unfavora
Data from: Calculating the ecological impacts of animal-borne instruments on aquatic organisms
- 负责人：
- 关键词：
- animal welfare biotelemetry cost of transport hydrodynamic permit phenological mismatch swim velocity tagging tracking
- DOI：
- doi:10.5061/dryad.921k0
- 摘要：
- and thrust impacts on birds – concepts that do not translate well to aquatic animals. Herein, we provide guidelines on assessing drag from animal-borne
Data from: Optimizing the spatial planning of prescribed burns to achieve multiple objectives in a fire-dependent ecosystem.
- 负责人：
- DOI：
- doi:10.5061/dryad.tj4p2
- 摘要：
- . In a transparent and equitable manner, we show that conservation value may be improved within a fire-dependent ecosystem with only modest concession to asset
Water quality data for Fall Creek (Tompkins County, NY) sampling sites: 1972-1995
- 负责人：
- 关键词：
- streams watersheds stream flow water pollution water quality water pH agricultural pollution sediment pollution alkalinity calcium
- DOI：
- doi:10.5063/aa/gss1.12.16
- 摘要：
- Hedges. 1976. Phosphorus loss by stream transport from a rural watershed: Quantities, processes and sources. J. Environ Quality. 5:148-157. Johnson, Art
Data from: Timing of head movements is consistent with energy minimization in walking ungulates
- 负责人：
- Nyakatura, John
- DOI：
- doi:10.5061/dryad.rf5bj
- 摘要：
- oscillations transmitted to the forelimbs. Advantageous timing increases the load in single support phases, in which redirecting the tra
Dynamics of Household Land Use and Economic Welfare on the Amazon Frontier, 1996-2005, Rondonia, Brazil;;Archival Version
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr25322
- 摘要：
- of transportation, long distances to city centers, and poor road conditions.;;Datasets: DS1: Household Survey 2005;;face-to-face interview;;Households of the Ouro
Data from: Testing the niche breadth-range size hypothesis: habitat specialization versus performance in Australian alpine daisies
- 负责人：
- 关键词：
- DOI：
- doi:10.5061/dryad.1c045
- 摘要：
- across a wide range of environments. Here we use common garden and reciprocal transplant experiments to test the niche breadth—range size hypo
