Search results | Digital Grinnell

Title: Contrasting soil-texture niches facilitate coexistence of two congeneric plants that differ in competitive ability
Description: We investigated how plant species' responses to soil texture might affect coexistence by analysing distributions, seedling emergence and performance, and competitive abilities of the winter annuals Clarkia speciosa ssp. polyantha and C. xantiana ssp. xantiana.
Date Created: 2017
PID: grinnell:26657

Title: Does probability of occurrence relate to population dynamics?
Description: The objective of this study is to analyse how demographic parameters (intrinsic growth rate r and carrying capacity) relate to realized niches
Date Created: 2014
PID: grinnell:26656

Title: Experimental Studies of Adaptation in Clarkia Xantiana. I. Sources of Trait Variation Across a Subspecies Border
Description: We report fndings of reciprocal transplant experiments intended to tease apart the roles of differentiation and plasticity in producing phenotypic variation across a geographic border between two plant subspecies. Clarkia xantiana ssp. xantiana and C. xantiana ssp. parvifora are California-endemic annuals that replace each other along a westG??east gradient of declining precipitation.
Date Created: 2004
PID: grinnell:26666

Title: Landscape structure and genetic architecture jointly impact rates of niche evolution
Description: Understanding the factors that afect rates of adaptation at range margins is crucial for interpreting and predicting changes in species’ ranges.
Date Created: 2014
PID: grinnell:26660

Title: Local adaptation and range boundary formation in response to complex environmental gradients across the geographical range of Clarkia xantiana ssp. Xantiana
Description: Using field measurements, two common garden studies, and QST-FST analyses, we examined environmental and genetic influences on plant phenotype across the geographical range of Clarkia xantiana ssp. xantiana.
Date Created: 2014
PID: grinnell:26659

Title: Reduced pollinator service and elevated pollen limitation at the geographic range limit of an annual plant
Description: We examine the contribution of plant pollinator interactions to the geographic range limit of the California endemic plant Clarkia xantiana ssp. xantiana. We show that pollinator availability declined from the center to the margin of the geographic range consistently across four years of study.
Date Created: 2012
PID: grinnell:26667

Title: The effects of floral display on pollinator visitation vary among populations of Phacelia linearis (Hydrophyllaceae)
Description: Individual plants in gynodioecious populations of Phacelia linearis (Hydrophyllaceae) vary in flower gender, flower size, and flower number. This paper reports the effects of variation in floral display on the visitation behaviour of this species' pollinators (mainly pollen-collecting solitary bees) in several natural and three experimental plant populations, and discusses the results in terms of the consequences for plant fitness.
Date Created: 1991
PID: grinnell:26665

Title: The Hutchinsonian niche as an assemblage of demographic niches: implications for species geographic ranges
Description: Using comprehensive demographic data for two well-studied, short-lived plants (Plantago coronopus, Clarkia xantiana), we show that the arrangement of species' demographic niches reveals key features of their environmental niches and geographic distributions.
Date Created: 2017
PID: grinnell:26658

Title: Wood Anatomy of Hydrophyllaceae. I. Eriodictyon
Description: Hydrophyllaceae is a characteristically herbaceous family; only Eriodictyon Benth., Wigandia H.B.K., and the monotypic Turricula Macbr. can be considered woody (stems attaining a diameter of more than 1 em). Are plants such as these relicts from a woody ancestry, or is the family secondarily woody?
Date Created: 1983
PID: grinnell:26662

Title: Wood Anatomy of Hydrophyllaceae. II. GeneraOther Tan Eriodictyon, with Comments on Parenchyma Bands Containing Vessels with Large Pits
Description: Wood Anatomy of Hydrophyllaceae. II. GeneraOther Tan Eriodictyon, with Comments on Parenchyma Bands Containing Vessels with Large Pits
Date Created: 1984
PID: grinnell:26664