Results 41 to 50 of about 52,943 (233)

Biochemical phosphorus allocation is linked to photosynthetic phosphorus‐use efficiency in a phosphorus‐impoverished environment

open access: yesNew Phytologist, EarlyView.
Summary Highly efficient phosphorus (P)‐use strategies have evolved in plants, allowing them to thrive in severely P‐impoverished environments. However, it remains unclear how allocating leaf P to biochemical fractions, including specific P‐containing metabolites, contributes to instantaneous photosynthetic P‐use efficiency (iPPUE) and the position of ...
Ling‐Ling Chen   +7 more
wiley   +1 more source

Ethnobotanical survey of pesticidal plants used in South Uganda : case study of Masaka district [PDF]

open access: yes, 2011
Use of synthetic pesticides in developing countries is not only limited by their being expensive but also the small (uneconomic) fields whose limited production costs cannot offset costs of agricultural implements like agro-chemicals. Subsistence farmers,
Charles, Kudamba   +3 more
core  

Conifer-angiosperm interactions: Physiological ecology and life history. [PDF]

open access: yes, 2011
Worldwide, conifers are most successful on sites subject to chronic stresses that limit productivity (low temperatures, nutrient poverty, poor drainage).
Lusk, Christopher H.
core   +2 more sources

FAMILIA MYRTACEAE

open access: yesFlora del Bajío y de Regiones Adyacentes, 2017
Familia de distribución tropical, con 140 géneros y ca. 7000 especies a nivel mundial. En México se registran 10 géneros y aproximadamente 113 especies; en el Bajío y regiones adyacentes se encuentran cuatro géneros y 14 especies nativas más una variedad; no se incluyen Eucalyptus camaldulensis, E. globulus, E. robusta, Callistemon citrinus, C. rigidus
Erandi Sánchez-Chávez, Sergio Zamudio
openaire   +1 more source

The pollination ecology and mouthpart morphology of a pollen‐feeding fly Incurviseta cf. maculifrons (Diptera: Lauxaniidae) in the Australian Alpine

open access: yesPhysiological Entomology, EarlyView.
The Lauxaniid fly Incurviseta cf. maculifrons (Malloch, 1925) is a locally abundant but poorly understood flower visitor in the Australian Alpine. We describe the flower visitation, pollen transport, pollen diet and mouthpart morphology of I. cf. maculifrons using field observations, pollen analyses and scanning electron microscopy. I. cf.
Tomas Mitchell‐Storey   +3 more
wiley   +1 more source

Wallum on the Nabiac Pleistocene barriers, lower North Coast of New South Wales [PDF]

open access: yes, 2013
Wallum is widespread on coastal dunefields, beach ridge plains and associated sandy flats in northern NSW and southern Queensland. These sand masses contain large aquifers, and the wallum ecosystem is considered to be generally groundwater-dependent ...
Griffith, Stephen J., Wilson, R.
core  

Gall responses to drying habitats: Insights from the community of galling herbivores associated with the superhost Caryocar brasiliense Cambess. (Caryocaraceae)

open access: yesPlant Biology, EarlyView.
Drying processes in the Brazilian palm swamps or Veredas, impact the gall community in adjacent vegetation by reducing the abundance of more sensitive galls, while more resilient galls acclimate to increased dryness by developing thicker protective tissues. Abstract Galls are new plant organs formed in response to the stimuli of gall‐inducing organisms,
I. S. Fernandes   +2 more
wiley   +1 more source

Vegetation of montane bogs in east-flowing catchments of northern New England, New South Wales [PDF]

open access: yes, 2013
The floristics of the montane bogs in east-flowing catchments of northern New England, north-eastern New South Wales (lat 28° 47’–31° 25’ S; long 151° 50’–152° 30’ E), are described from 62 full floristic survey sites (20 x 20 m in area).
Bell, Dorothy, Hunter, John T.
core  

Experimental hybridization and reproductive isolation between two sympatric species of tephritid fruit flies in the Anastrepha fraterculus species group [PDF]

open access: yes, 2017
Among tephritid fruit flies, hybridzation has been found to produce local adaptationand speciation, and in the case of pest species, induce behavioral and ecological alterations that can adversely impact efficient pest management. The fraterculus species
Altuzar Molina, Alma   +5 more
core   +1 more source

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