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Friday, May 8, 2020 | History

1 edition of Phenology and production studies on semi-arid shrub types found in the catalog.

Phenology and production studies on semi-arid shrub types

H. G. Fisser

Phenology and production studies on semi-arid shrub types

annual progress report : 1973 results

by H. G. Fisser

  • 214 Want to read
  • 17 Currently reading

Published by The Station in [Laramie, Wyo.] .
Written in English

    Subjects:
  • Shrubland ecology,
  • Vegetation and climate,
  • Plant phenology

  • Edition Notes

    Statement [by H.G. Fisser and L.H. Kleinman] ; submitted by Wyoming Agricultural Experiment Station
    SeriesScientific report -- no. 607, Scientific report (Wyoming Agricultural Experiment Station) -- no. 607.
    ContributionsWyoming Agricultural Experiment Station, United States. Bureau of Land Management
    The Physical Object
    Pagination256 p. :
    Number of Pages256
    ID Numbers
    Open LibraryOL25481611M

    Understanding vegetation phenology and productivity responses to environmental forcings are of great importance in global change studies. Vegetation phenology and productivity responses to climate extremes, however, are complex with variable magnitude and directional responses across seasons, along climatic gradients, and among by: Phenology is the study of the timing of seasonal biological events, such as the flowering of plants or the migration of birds. For example, you are observing phenology when you note when your favorite plant beings to flower each year, or when your favorite migratory bird arrives at your feeder in the spring.

    These studies investigated dozens of tree, shrub and vine species, and found that the extent of spring warming strongly affected leaf-out phenology in all species studied. In contrast, the influence of winter chilling was highly variable among species, and photoperiod affected only a limited number of by:   Phenological events, such as the initiation and the end of seasonal growth, are thought to be under strong evolutionary control because of their influence on tree fitness. Although numerous studies highlighted genetic differentiation in phenology among populations from contrasting climates, it remains unclear whether local adaptation could restrict phenological plasticity in response to Cited by:

      Climate models forecast the decrease in annual precipitation and more extreme events (i.e. fewer rainy days and longer drought periods between rainfall events) in Mediterranean ecosystems which may have important consequences for plant community dynamics. Water availability is the most limiting factor for plant performance in arid environments, where it is often highly pulsed, and discrete Cited by: 7.   Abstract. Phenology is the study of recurring biological events and its relationship to climate. Circular statistics is an area of statistics not very much used by ecologists nor by other researchers from the biological sciences, and indeed not much visited, till recently in statistical by:


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Phenology and production studies on semi-arid shrub types by H. G. Fisser Download PDF EPUB FB2

Phenology and production studies on semi-arid shrub types: annual progress report: results by Fisser, H. G ; Kleinman, L. H ; Wyoming Agricultural Experiment Station ; United : Full text of "Phenology and production studies on semi-arid shrub types: annual progress report: results" See other formats.

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Phenological and reproductive responses of a semiarid shrub to pulsed watering. Climate models forecast decrease in annual precipitation and more extreme events (i.e., fewer rainy days and longer drought periods between rainfall events) in Mediterranean ecosystems which may have important consequences for plant community dynamics.

We explore the relationships between environmental factors and vegetative and reproductive phenology in nine dominant perennial plant species in a semi-arid ecosystem in central Mexico. In spite of the highly seasonal environment at the study site, and a relatively long dry period, at least one species was always in some phase of growth or Cited by: Colophospermum mopane, commonly known as mopane, is a dominant tree or shrub in the mopane woodland.

It is widely distributed in the low-lying areas of southern Africa's savanna. Despite its wide distribution, ability to survive water stress conditions, and value as a source of browse for herbivores, especially during the dry season, there is limited knowledge on mopane leaf production and.

The timing and development of green leaves, plant maturity, and senescence affects biophysical interactions of plants with the environment. In this study we explored the agreement between land-based camera and satellite-based phenology metrics to quantify plant phenology and phenophases dates in five plant community types characteristic of the semi-arid cold desert region of the Great by: 2.

Phenology (from the Greek phainein, to show or appear) is the study of the timing of these life-history events. In plants, bud-burst, leaf-expansion, abscission, flowering, fertili- sation, seedset, fruiting, seed dispersal and germination all take place in due by: Phenology of flowers, seeds, and fruits in a tropical forest tree.

The production of flowers, seeds, and fruits in a single tropical tree from a 7-year record. Time is indicated in months from January Flowering, fruiting, and seed production are all cued to the end of.

Spatiotemporal patterns of vegetation phenology change and relationships with climate in the two tra Changes in vegetation phenology due to global climate change directly impact the dynamic balance of terrestrial carbon and nutrients and the biodiversity pattern, and send feedbacks to climate system.

Phenology offers critical insights into the responses of species to climate change; shifts in species’ phenologies can result in disruptions to the ecosystem processes and services upon which human livelihood depends. To better detect such shifts, scientists need long-term phenological records covering many taxa and across a broad geographic distribution.

To date, phenological observation Cited by: Phenology, the study of different phases in the life-cycle of a plant consists of seedling, vegetative and reproductive stages. While growth of leaves and stems are studied under vegetative. What is Phenology.

Phenology is the study of the timing of the biological events in plants and animals such as flowering, leafing, hibernation, reproduction, and migration. Scientists who study phenology are interested in the timing of such biological events in relation to changes in season and climate. However, most published studies of shifts in plant community phenology have been from humid-temperate climates (i.e., western Europe, eastern North America; but see Peñuelas et al., ).

The purpose of our study is to examine changes in wildflower phenology between and in the semi-arid climate of intermountain western North by: Advances in plant flowering and leafing times in response to warming are underpredicted by experimental warming studies.

The timing of crucial events in plant life cycles is shifting in response Cited by: Leader Use phenology for your science and engagement efforts.

Researcher Explore phenology data and publications. Educator Enrich your teaching with phenology. Manager & Decision Maker Improve decision making with phenology data and information.

Volunteer Scientist Contribute to an exciting national effort. Reporter Find phenology resources for your story. Leaf dry mass (DM) at peak biomass was estimated for different plant communities in a semi‐arid savanna. These estimates included the total leaf DM, as well as estimates of the leaf DM at browsing heights of m, m and m.

The total leaf DM in the different plant communities ranged between 1 kg ha −1 and 2 kg ha −1. Effects of pruning on Colophospermum mopane leaf phenology and production mopaneleaf phenology and production.

This study was estimated for different plant communities in a semi‐arid. Abstract. This chapter deals with both traditional aspects of phenology in agriculture (length of growing season and different applications of phenological data in agriculture) as well as modern aspects, which focus on impacts of climate change on phenophases of field crops and fruit by: Forest phenology refers to the timing of natural events through the seasons.

These events include flushing or budburst, flowering, fruiting, and autumn leaf-fall. Phenology is partly driven by amounts of light, water, and temperature, but also by tree genetics. It. Phenology of plants is important for ecological interactions.

The timing and development of green leaves, plant maturity, and senescence affects biophysical interactions of plants with the environment. In this study we explored the agreement between land-based camera and satellite-based phenology metrics to quantify plant phenology and phenophases dates in five plant community types Cited by: 2./ A Comparative Study of Satellite and Gr ound-Based V ine yar d Phenology 72 (figure 2), co uld be related with the high transp arency of the grapevi ne canopy and the soil cover differences.

Phenology is the study of periodic plant an animal life cycles and how these influence, and are influenced by, variations in climate and seasonal changes. In today's ever-changing climate environment, phenology may be the way to go when looking for .