筛选
科学数据
统计数据
共检索到523条 ,权限内显示50条;
Griffith Park Zoo (farmyard), 1958
- 负责人:
- 关键词:
- DOI:
- doi:10.25549/examiner-m19978
- 摘要:
- e.; Caption slip reads: "Photographer: Wilson. Date 1958-11-27. Assignment: Farmyard at Zoo. John Haynes, animal keeper, cub scout. 49/50: Dennis Lumley - 8 years
Kendall-Frost Mission Bay Reserve Annual Report
- 负责人:
- 关键词:
- Salt Marsh
- DOI:
- doi:10.5063/aa/nrs.834.1
- 摘要:
- This is the only good sample of bay marsh that will likely persist in southern California. A small laboratory has been proposed and funded for ear
Data from: Movement ecology of brown bears (Ursus arctos) in the Romanian Eastern Carpathians
- 负责人:
- DOI:
- doi:10.5061/dryad.jk127ng
- 摘要:
- management during 40 years of communist centralised game management, information about brown bear movements and spatial ecology is lacking. Using data obtaine
Data from: Is saltmarsh restoration success constrained by matching natural environments or altered succession? a test using niche models
- 负责人:
- DOI:
- doi:10.5061/dryad.380g2
- 摘要:
- edox conditions of natural marshes partially explained the underrepresentation of five of these species, but did not explain patterns of occurrence on older (> 50 years
Data from: Measuring engagement in advance care planning: a cross-sectional multicentre feasibility study.
- 负责人:
- DOI:
- doi:10.5061/dryad.1ng8c
- 摘要:
- . Participants: A convenience sample of patients without cognitive impairment who could speak and read English was recruited. Patients 50 years and older wer
Data from: Combined effects of retention forestry and prescribed burning on polypore fungi
- 负责人:
- 关键词:
- dead wood;early seral;retention trees;Forest management;pine forest;wood fungi;early succession
- DOI:
- doi:10.5061/dryad.718q8
- 摘要:
- er the treatments, and again 2, 4 and 10 years after the treatments. 3. The number of polypore species and records initially increased rather slowly but sh
, Colorado, USA 1992-2008, ARS Study Number 32
- 负责人:
- Colorado State University. Libraries;;Colorado State University. Libraries
- DOI:
- doi:10.25675/10217/85591
- 摘要:
- e been protected for 50 years, and protect areas from grazing that had been grazed for 50 years. The combinations of grazing conditions were: 1. Long-term protection
Data from: Identification of the Beagle 2 lander on Mars
- 负责人:
- Bridges, John
- DOI:
- doi:10.5061/dryad.707kc
- 摘要:
- The 2003 Beagle 2 Mars lander has been identified in Isidis Planitia at 90.43°?E, 11.53°?N, close to the predicted target of 90.50°?E, 11.53
Data from: Geometry of wave-formed orbital ripples in coarse sand
- 负责人:
- DOI:
- doi:10.5061/dryad.482tn
- 摘要:
- . In contrast to earlier observations of coarse-grained two-dimensional wave ripples under mild wave conditions, the ripple planform changes with the wave
Data from: Ten-year responses of ground-dwelling spiders to retention harvest in the boreal forest
- 负责人:
- DOI:
- doi:10.5061/dryad.nb304
- 摘要:
- disturbance level, especially with partial harvests (?50% retention), and these were dominated by open-habitat species even ten years after harvest. Assemblages