Results 131 to 140 of about 3,042,747 (267)
BarnebyLives: An R package to create herbarium specimen labels and clean spreadsheets
Applications in Plant Sciences, EarlyView.Abstract Premise Accessioning herbarium specimens is labor intensive, yet remains vital for research in ecology, evolution, and conservation. As institutional support for herbaria declines, efficient tools are needed to streamline this process. The R package BarnebyLives was developed to assist collectors by supplementing collection notes, verifying ...
Reed Clark Benkendorf, Jeremie B. Fant
wiley +1 more source
Scale‐space image analysis for mapping spotted knapweed in grassland ecosystems
Applications in Plant Sciences, EarlyView.Abstract Premise This study investigates the value of scale‐space representations of spatial features for the identification and mapping of invasive plants using high‐resolution multispectral imagery. Scale‐space representations combine the two‐dimensional spatial domain with a third dimension representing spatial scale, such that features can be ...
Shohreh Sahebi, David J. Hill
wiley +1 more source
VOLUNTARY CONSERVATION OF ENDANGERED SPECIES: WHEN DOES "NO SURPRISES" MEAN NO CONSERVATION [PDF]
Voluntary conservation agreements are becoming increasingly important in implementing the Endangered Species Act on private land. We analyze when such agreements arise and what level of conservation they generate in the presence of uncertainty about ...
Langpap, Christian
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The Anatomical Record, EarlyView.Abstract The Dasyurid species Sarcophilus harrisii, Dasyurus maculatus, and Dasyurus viverrinus, occupying diverse ecological niches and forming a guild structure in Tasmania, provide a basis for examining the roles of various forelimb muscle groups in prey capture and locomotion.
Riya G. Bidaye +4 more
wiley +1 more source
The valuation of biodiversity conservation by the South African Khomani San "bushmen" community [PDF]
The restitution of land to the Khomani San "bushmen" and Mier "agricultural" communities in May 2002 marked a significant shift in conservation in the Kgalagadi area in South Africa.
Edwin Muchapondwa, Johane Dikgang
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Scaling and ecomorphology of lagomorph body shape and appendicular skeleton
The Anatomical Record, EarlyView.Abstract Body shape is one of the most prominent features of phenotypic variation. Yet, mammalian body shapes are poorly quantified and the underlying components contributing to its diversity and its relationship to other skeletal components are rarely tested.
Nia Brice, Coby Huizenga, Chris J. Law
wiley +1 more source
'THE LAND' magazine informational advertisement
, 1953 Advertisement sheet for THE LAND magazine (1940-1959), with an informational essay on the Friends of the Land organization by Ohio novelist and farmer Louis Bromfield.
Friends of the Land (1940-1959)
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The Law of Ecosystem Restoration for Community Conservation Groups [PDF]
, 2008 Across New Zealand communities have identified the need to restore and rehabilitate damaged ecosystems in their locality. However, community conservation groups (CCGs) often face significant obstacles when undertaking activities to restore and ...
Ewing, Kellie Joy
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The Anatomical Record, EarlyView.Abstract Intraspecific variation in social organization (IVSO) within primate populations can arise due to male mating competition. Verreaux's sifaka (Propithecus verreauxi) populations exhibit both single‐male and multi‐male groups, providing an opportunity to examine the relationship between male competitive ability and social organization.
Lemeng Li +2 more
wiley +1 more source
The “costly son” hypothesis: Sons exacerbate obstetrical dilemmas in humans and other mammals
The Anatomical Record, EarlyView.Abstract Human childbirth has often been considered uniquely difficult among mammals, yet recent evidence suggests that obstructed labor and fetopelvic disproportion are widespread across placental mammals. Here, we propose the “costly son” hypothesis: because male offspring are typically larger at birth, they impose greater obstetric risk on mothers ...
Nicole D. S. Grunstra +1 more
wiley +1 more source