Results 101 to 110 of about 19,309 (262)
Nordic Journal of Botany, EarlyView.Portulaca (Portulacaceae) is a cosmopolitan genus with centers of diversity in Africa and South America. In Brazil, 22 species are recognized, most occurring in xerophytic environments of the Cerrado, particularly in Campos Rupestres. These rocky montane habitats, especially in northern Minas Gerais state, remain undercollected despite their high ...
Danilo Alvarenga Zavatin +7 more
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VCPNET: A new dataset to benchmark vegetation carbon phenology metrics
Ecological InformaticsShifts in plant phenology associated with climate change have received unprecedented attention from land managers, policymakers, and the scientific community, with important implications for the structure and function of the biosphere.
Xuan Tang +7 more
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Historical data reveal earlier flowering under environmental change
Nordic Journal of Botany, EarlyView.Global temperatures have risen ~ 1.1°C since the 1800s and the mean annual air temperature in the Arctic has increased by nearly four times the global average. Temperature has a significant effect on fundamental life‐cycle events of flora and fauna. With temperatures increasing, Arctic plants are expected to shift their active periods accordingly, with
Elizabeth Stunz +2 more
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The Mid-Domain Effect Shapes a Unimodal Latitudinal Pattern in Fruiting Phenology
PlantsThe mid-domain effect (MDE) has been used to explain spatial diversity patterns and flowering phenology, but its role in fruiting phenology has received limited attention to date.
Longyang Zhang, Qianhuai Xue, Yanjun Du
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Nordic Journal of Botany, EarlyView.Sinningia pampeana is a new rupicolous species from the rocky outcrops of the Pampa biome in southern Brazil and Uruguay. Morphological analyses based on herbarium material, field observations, and detailed illustrations support its recognition as a distinct species from Sinningia sellovii.
Gabriel Emiliano Ferreira +4 more
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Life history stability under climate change: a wildflower at the northern edge of its range
Nordic Journal of Botany, EarlyView.Stabilities of life history traits for a widespread native perennial wildflower, Rudbeckia laciniata L., are described for five populations near the northern edge of its range in North America. Theory proposes that such populations experience variable levels of stress as suitable abiotic conditions shift north or south from year to year, which ...
Robert J. Lamb, Patricia A. MacKay
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Methods in Ecology and EvolutionVegetation phenology studies the periodic recurrence of plant life‐cycle events and is essential for understanding ecosystem responses to environmental changes.
Sofia Bajocco +2 more
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Phenology and Seasonality Modeling by Helmut Lieth
The Coleopterists' Bulletin, 1976 (Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Two new endemic species of Portulaca (Portulacaceae) from the Brazilian Pampa grasslands
Nordic Journal of Botany, EarlyView.Portulaca L. is a monophyletic, cosmopolitan genus of succulent plants comprising ca 153 species, with particularly high diversity in xerophytic ecosystems in tropical and subtropical regions. Based on morphological evidence, we describe and illustrate two new species from the Brazilian Pampa, Portulaca guaritensis and Portulaca guenoa.
José Roberto Ferraz +3 more
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Phenological Restriction of the Oryza (v3) Model
Revista Brasileira de MeteorologiaAbstract Photoperiod sensitivity affects the rice development cycle and its flowering. Crop simulation models, such as ORYZA (v3), use equations that depend on two main parameters calibrated by the user: sensitivity to photoperiod and minimum optimal photoperiod.
Gutemberg Resende Honorio Filho +5 more
openaire +3 more sources