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datasets available to search
ShareScore release 0.9.0
Dataset results
39 results for “Woody angiosperms”
Fraxinus americana (Oleaceae) - woody angiosperms - twig - winter overall
Image of Fraxinus americana (Oleaceae) - woody angiosperms - twig - winter overall
Fraxinus americana (Oleaceae) - woody angiosperms - bark - of a large tree
Image of Fraxinus americana (Oleaceae) - woody angiosperms - bark - of a large tree
Fraxinus americana (Oleaceae) - woody angiosperms - fruit - immature
Image of Fraxinus americana (Oleaceae) - woody angiosperms - fruit - immature
Fraxinus americana (Oleaceae) - woody angiosperms - fruit - immature
Image of Fraxinus americana (Oleaceae) - woody angiosperms - fruit - immature
Fraxinus americana (Oleaceae) - woody angiosperms - fruit - immature
Image of Fraxinus americana (Oleaceae) - woody angiosperms - fruit - immature
Fraxinus americana (Oleaceae) - woody angiosperms - whole tree (or vine) - general
Image of Fraxinus americana (Oleaceae) - woody angiosperms - whole tree (or vine) - general
Fraxinus americana (Oleaceae) - woody angiosperms - fruit - as borne on the plant
Image of Fraxinus americana (Oleaceae) - woody angiosperms - fruit - as borne on the plant
Data from: Leafing intensity and the fruit size/number trade-off in woody angiosperms
A sample of woody angiosperm species was used to test a central prediction of the 'leafing intensity premium' hypothesis: higher leafing intensity (number of leaves produced per unit dry mass of shoot vegetative tissue produced in the same growing season) confers a larger bud bank (i.e. number of axillary meristems per unit shoot tissue) that can be deployed for reproduction, and thus confers generally greater fruit numbers, and hence higher potential fecundity allocation (i.e. fecundity per unit size of the supporting shoot tissue that is produced in the same growing season. Current-year shoots (i.e. bearing leaves) were collected to record: shoot dry mass, total number of leaves, total number of fruits or fruit clusters (if derived from inflorescences), mean individual leaf dry mass and mean individual fruit dry mass. Sampled individuals (shrubs and trees) were also measured for body size (main stem height and circumference). Species with larger individual fruit (or fruit cluster) mass have generally larger leaves, but they also have a negative trade-off relationship with 'fruiting intensity' – that is the total number of reproductive meristems producing fruits (or fruit clusters) per unit dry mass of shoot vegetative tissue produced in the same growing season. Variation in fruiting intensity, however, is better predicted by a positive relationship with variation in bud bank size. Species with smaller leaf size (dry mass) have generally higher leafing intensity; species with higher leafing intensity in turn have generally higher fruiting intensity; and species with higher fruiting intensity in turn have generally higher potential fecundity allocation (based on the typical species maximum number of seeds per fruit, obtained from published floras). Species with smaller body size have generally higher potential fecundity allocation, but body size had no significant relationships with other measured traits when controlling for phylogeny (using phylogenetically independent contrasts). Synthesis. Our results indicate that bud bank size is an important functional trait for defining adaptive strategy in woody angiosperms. A larger bud bank is generated by higher leafing intensity, which in turn generates higher fruiting intensity, thus generating greater potential fecundity allocation. These traits will be important for maximizing reproductive economy – that is capacity to produce offspring despite growth or body size limitation (e.g. due to crowding/competition, or because of limited time available for growth, flowering, pollination or fruit/seed maturation).
Rosa multiflora (Rosaceae) - woody angiosperms - twig - orientation of petioles
Image of Rosa multiflora (Rosaceae) - woody angiosperms - twig - orientation of petioles
Rosa multiflora (Rosaceae) - woody angiosperms - leaf - whole upper surface
Image of Rosa multiflora (Rosaceae) - woody angiosperms - leaf - whole upper surface
Rosa multiflora (Rosaceae) - woody angiosperms - whole tree (or vine) - general
Image of Rosa multiflora (Rosaceae) - woody angiosperms - whole tree (or vine) - general
Rosa multiflora (Rosaceae) - woody angiosperms - inflorescence - lateral view of flower
Image of Rosa multiflora (Rosaceae) - woody angiosperms - inflorescence - lateral view of flower
Rosa multiflora (Rosaceae) - woody angiosperms - leaf
Image of Rosa multiflora (Rosaceae) - woody angiosperms - leaf
Rosa multiflora (Rosaceae) - woody angiosperms - inflorescence - whole - unspecified
Image of Rosa multiflora (Rosaceae) - woody angiosperms - inflorescence - whole - unspecified
Rosa multiflora (Rosaceae) - woody angiosperms - twig
Image of Rosa multiflora (Rosaceae) - woody angiosperms - twig
Data from: Leafing intensity and the fruit size/number trade-off in woody angiosperms
Open the record for dataset details and reuse information.
Supporting data from: The distribution of leaf form among indigenous woody angiosperms in New Zealand
<p>New Zealand's woody indigenous eudicot flora comprises a variety of leaf shapes and features and occupies environments extending from subtropical to cold temperate climates. We used a dataset of over 300,000 occurrences of 557 indigenous woody eudicot species to investigate patterns and trends in the occurrence of six leaf features (leaf pubescence, leaf margin teeth, leaf size, leaf apex and base shape, and leaf length to width ratio) along critical climate gradients. Major climate variables examined included temperature, precipitation, moisture deficit and solar radiation. Our results reveal strong latitudinal gradients in toothed leaves and leaf area with both declining at higher latitudes. Leaf base and leaf apex angle are also aligned latitudinally, both declining in northern areas. In contrast, the occurrence of pubescent leaves and leaf length to width ratio are independent of other leaf features and latitudinal gradients. Larger leaves are positively associated with warmer climates while serrated margins are more common in warmer and wetter zones. The occurrence of pubescent leaves is greatest in seasonally dry environments with low annual precipitation. Long thin leaves (high length to width ratio) were more common in areas with a high rainfall to potential evapotranspiration ratio. Leaf apex angle is negatively correlated with temperature while leaf base angle distribution in relation to climate was highly variable. Overall, results confirm global patterns for leaf size and climate, highlighting the importance of small leaves limiting heat loss in cool climates. The positive correlation between leaf teeth and warmer climates has not been found elsewhere. High occurrence of pubescent leaves in low rainfall and highly moisture deficient environments in New Zealand suggests that the trait is associated with water retention in dry climates.</p>
Supporting data from: The distribution of leaf form among indigenous woody angiosperms in New Zealand
Open the record for dataset details and reuse information.
Data and R-scripts for the analyses of global woody angiosperm diversity
<p>This repository contains data and R scripts necessary to reproduce results shown in the paper: <br> Buntarou Kusumoto, Anne Chao, Wolf L. Eiserhardt, Jens-Christian Svenning, Takayuki Shiono, Yasuhiro Kubota. Occurrence-based diversity estimation reveals macroecological and conservation knowledge gaps for global woody plants. Science Advances (accepted)</p>
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