The Relationship of Cumulative Sums and Moving Averages of Temperature to Reproductive Phenology in Clarkia

Sauer, Ronald H.

doi:10.2307/2424241

Cited by 7 publications

(4 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Studies have shown that there could be a 1-2-month delay between changes in temperature (Chen et al 2005), precipitation (Richard and Poccard 1998) or both (Goward andPrince 1995, Potter andBrooks 1998) and NDVI. Since the 1970s, moving averages of climatic factors have been used to detect the relationship of these factors to phenological phases (Sauer 1976), and this approach is also used in current studies of plant phenology in relation to global climate change (Jolly et al 2005). We used moving averages to detect this lag effect between temperature/precipitation and NDVI (Neter et al 1996).…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Assessing growing season beginning and end dates and their relation to climate in Taiwan using satellite data

Chang

Lin

Wang

et al. 2011

International Journal of Remote Sensing

View full text Add to dashboard Cite

Due to the close relationship between climate and plant phenology, changes in plant phenological patterns have been used as a surrogate of climate change. We analysed Moderate Resolution Imaging Spectroradiometer (MODIS) images to investigate the onset, offset and length of growing season, as well as spatial and inter-annual patterns of Normalized Difference Vegetation Index (NDVI) across six types of vegetation/land use in Taiwan. Regression models indicate that temperature was moderately to strongly related to NDVI for each of the six vegetation/ land-use types (coefficients of determination (R 2 ) ¼ 0.45-0.86). There was a 1-2 month lag time between changes in temperature and NDVI in the forests that are distributed in mid-to high-elevation areas, but not in low-elevation unirrigated fields, paddy fields and urban areas. The relationship between precipitation and changes in NDVI was only significant for unirrigated fields and urban areas (R 2 ¼ 0.37-0.43). Growing season ended considerably earlier at low elevations than at high elevations, possibly because of the earlier start and more severe dry period in low-elevation areas, such that the length of the growing season was longer in the forests than in the unirrigated fields, paddy fields and urban areas.

show abstract

Section: Discussionmentioning

confidence: 99%

“…It has been suggested that it takes longer to reach a phenological phase at lower temperatures (Sauer 1976). In the temperate zone, phenological phases are known to respond to accumulated temperature above a threshold (Spano et al 1999.…”

Section: The Relationship Between Ndvi and Temperature And Precipitationmentioning

confidence: 99%

Assessing growing season beginning and end dates and their relation to climate in Taiwan using satellite data

Chang

Lin

Wang

et al. 2011

International Journal of Remote Sensing

View full text Add to dashboard Cite

show abstract

“…Many research projects have focused on the analysis of phenological records to predict occurrence of phenophase events such as bud break and flowering of deciduous trees, particularly fruit trees (1,11,19). Research has focused on correlating the timing of specific phenological events to seasonal changes (5,26,31) rather than on development of specific techniques for modeling phenological development at the population level. A model to predict growth and development of rangeland species in the western United States provided a detailed review of methodology for estimation of soil water status and heat summation techniques (12).…”

Section: Introductionmentioning

confidence: 99%

A Population Level Temperature-Dependent Model of Seedling Johnsongrass (Sorghum halepense) Flowering

Bridges

Chandler

1989

Weed sci.

View full text Add to dashboard Cite

A population level, two-compartment, temperaturedependent model that predicts date of seedling johnsongrass flowering was formulated. The model consisted of a fourparameter poikilotherm rate equation to describe development rate as a function of temperature and a temperature-independent Weibull function to distribute flowering times for the population. Experiments were conducted to determine the effect of temperature, nitrogen availability, and water availability on development of seedling johnsongrass. Development was most sensitive to temperature while the effect of nitrogen concentration and water availability was minimum and inconsistent. The model was tested against three independent field data sets and provided accurate prediction of flowering dates for each data set.

show abstract

“…first, 50%, etc.) of the phenological event in has been employed successfully to account for variation between years in the flowering dates of plants at a single location (Lindsey, 1963;Anstey, 1966;Boyer, 1973;Sauer, 1976). Fewer attempts (e.g.…”

mentioning

confidence: 99%

Using Heatsum Models to Account for Geographic Variation in the Floral Phenology of Two Ericaceous Shrubs

Reader¹

1983

Journal of Biogeography

View full text Add to dashboard Cite

show abstract

The Relationship of Cumulative Sums and Moving Averages of Temperature to Reproductive Phenology in Clarkia

Cited by 7 publications

References 0 publications

Assessing growing season beginning and end dates and their relation to climate in Taiwan using satellite data

Assessing growing season beginning and end dates and their relation to climate in Taiwan using satellite data

A Population Level Temperature-Dependent Model of Seedling Johnsongrass (Sorghum halepense) Flowering

Using Heatsum Models to Account for Geographic Variation in the Floral Phenology of Two Ericaceous Shrubs

Contact Info

Product

Resources

About