筛选
科学数据
统计数据
共检索到88条 ,权限内显示50条;
Data from: Studying long-term, large-scale grassland restoration outcomes to improve seeding methods and reveal knowledge gaps
- 负责人：
- DOI：
- doi:10.5061/dryad.k5st3
- 摘要：
- e effective. Where established, the weed crested wheatgrass (Agropyron cristatum L.) increased through time, indicating a need to manage establishment
Data from: Evolution and spread of glyphosate resistance in Conyza canadensis in California
- 负责人：
- Okada, Miki
- 关键词：
- Natural Selection and Contemporary Evolution Population Genetics - Empirical Agriculture Adaptation
- DOI：
- doi:10.5061/dryad.s21k2
- 摘要：
- er glyphosate use began in agriculture, but many years before it was detected. Thus, diversity in weed control practices prior to herbicide regulation in GWPA pro
ACEAS VEG-TRANS Qld, Wooroonooran Nature Refuge, Atherton Tablelands, Redlynch
- 负责人：
- DOI：
- doi:10.5063/aa/smguru.11.1
- 摘要：
- Pre-European benchmark-analogue vegetation: The original vegetation for the site was a complex mesophyll vine forest on basaltic red loams on wet uplands, altitude 720 metres with 4.421 mm rainfall (av annual records for the period 1993-2011, Source: Peter Stanton). Brief chronology of changes in land use and management: 1924 Start of selective logging of high value timber species. 1930 Finish of selective logging of high value timber species \u2013 intent to convert rainforest to pasture. 1931 Start of land clearing of the previously logged forest \u2013 intent to convert rainforest to pasture. 1938 End of land clearing of the previously logged forest - forest trash burnt. 1939 Start of intensive soil and pasture management - soil not ploughed \u2013 aggressive pasture grasses sown into ash bed. 1940 Start of grazing- pasture for dairying. 1958 End of grazing planted pasture for dairying. Pastures infertile. All livestock removed. 1959 Start of land abandonment and minimal use. 1983 Commenced large scale spraying and poisoning and physical removal of Lantana. 1993 Regrowth rainforest (complex mesophyll vine forest) in gullies and on lower slopes - 50% of Lot 2. 1994 Continued large scale spraying and poisoning of Lantana and carpet grass. 2003 Site formally gazetted as Wooroonooran Nature Refuge by WTMA. 2011 Site continues to be manage for multiple values: timber reserve, biodiversity and habitat values.
Data from: The role of Bh4 in parallel evolution of hull color in domesticated and weedy rice
- 负责人：
- Vigueira, Cynthia
- DOI：
- doi:10.5061/dryad.5v2dj
- 摘要：
- of the two cultivated rice species have predominantly black-coloured hulls, as does one of the two U.S. weed biotypes; both cultivated species and one of the US weedy biotypes
Data from: Evolution of tolerance in an invasive weed after reassociation with its specialist herbivore
- 负责人：
- DOI：
- doi:10.5061/dryad.46dt3
- 摘要：
- The interaction between the European wild parsnip Pastinaca sativa and its coevolved florivore the parsnip webworm Depressaria pastinacella, established in North America for over 150 years, has resulted in evolution of local chemical phenotype matching. The recent invasion of New Zealand by webworms, exposing parsnips there to florivore selection for the first time, provided an opportunity to assess rates of adaptive response in a real-time experiment. We planted reciprocal common gardens in the USA and NZ with seeds from (1) US populations with a long history of webworm association; (2) NZ populations that had never been infested and (3) NZ populations infested for 3 years (since 2007) or 6 years (since 2004). We measured impacts of florivory on realized fitness, reproductive effort and pollination success and measured phenotypic changes in infested NZ populations relative to uninfested NZ populations to determine whether rapid adaptive evolution in response to florivory occurred. Irrespective of country of origin or location, webworms significantly reduced plant fitness. Webworms reduced pollination success in small plants but not in larger plants. Although defence chemistry remained unchanged, plants in infested populations were larger after 3–6 years of webworm florivory. As plant size is a strong predictor of realized fitness, evolution of large size as a component of florivore tolerance may occur more rapidly than evolution of enhanced chemical defence.
Data from: Evolution of critical day length for diapause induction enables range expansion of Diorhabda carinulata, a biological control agent against tamarisk (Tamarix spp.)
- 负责人：
- DOI：
- doi:10.5061/dryad.7qr3f154
- 摘要：
- In classical weed biological control, small collections of arthropods are made from one or a few sites in the native range of the target plant and ar
Data from: The costs and benefits of tolerance to competition in Ipomoea purpurea, the common morning glory
- 负责人：
- DOI：
- doi:10.5061/dryad.v2b8t
- 摘要：
- families from 18 maternal lines in the crop weed Ipomoea purpurea we measured fitness and putative tolerance traits when grown with and without competition
Data from: Fitness cost due to herbicide resistance may trigger genetic background evolution
- 负责人：
- DOI：
- doi:10.5061/dryad.288n0
- 摘要：
- t are conferred by alleles responsible for herbicide resistance in the weed Alopecurus myosuroides. We considered three herbicide-resistant, mutant
Data from: Selection on signal-reward correlation: limits and opportunities to the evolution of deceit in Turnera ulmifolia L.
- 负责人：
- DOI：
- doi:10.5061/dryad.1989
- 摘要：
- cheating strategy if they can punish those plants with low signal accuracy. In this study we examined the opportunity for cheating in the perennial weed
Data from: Molecular evolution of shattering loci in U.S. weedy rice
- 负责人：
- Caicedo, Ana
- DOI：
- doi:10.5061/dryad.1231
- 摘要：
- Cultivated rice fields worldwide are plagued with weedy rice, a conspecific weed of cultivated rice (Oryza sativa L.). The persistence of weedy rice
