Bibliographic record
Abstract
In a global perspective and compared to poplar cultivation, willow cultivation has been the stepchild of the employment of the Salicaceae. While willows are grown and used for a large number of different purposes in both the northern and southern hemispheres, willow growing traditionally has been carried out on a small scale. However, the number of species in the genus Salix exceeds the number of Populus species by one order of magnitude, and the geographical distribution and physiognomic range of willow species is larger than of poplars. Only recently has a start been made to exploit the large biological variation within the genus Salix by means of breeding and selection and by means of new planting and management schemes. During only one century, the major obstacles to the availability of forest products have been shifting from technical and economic limitations to ecological and environmental constraints. Due to its high potential of environmental assets, a rapid development of all aspects of willow cultivation is envisaged during the next decades. Willow growing offers a range of products, services and new environmental applications well beyond the range of those encountered in poplar growing. As willow and poplar are closely related genera, several of the lessons learned during the large-scale breeding and cultivation of poplars are relevant to the field of willow growing. These include logistics, mitigation of risk for pest and disease transfer, and especially the need to ensure a wide genetic variability, containing material suitable for different site conditions. Large-scale implementation of sustainable short rotation forestry can be achieved by means of further exploitation of willow in its potential position in between forestry and agriculture, as a recipient of surplus organic nutrients from unbanised and intensively used agricultural areas and as a buffer between productive land and water courses. Key words: breeding strategy, clones, coppice, implementation, International Poplar Commission, pathogens, phytoremediation, Salix, willow
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.005 | 0.006 |
| Scholarly communication | 0.011 | 0.012 |
| Open science | 0.001 | 0.007 |
| Research integrity | 0.003 | 0.004 |
| Insufficient payload (model declined to judge) | 0.024 | 0.008 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".