Results 91 to 100 of about 101,934 (328)

Overlooked Parrot Seed Dispersal in Australia and South America: Insights on the Evolution of Dispersal Syndromes and Seed Size in Araucaria Trees

open access: yesFrontiers in Ecology and Evolution, 2019
While Psittaciformes (parrots and allies) are well-recognized as highly-mobile seed predators, their role as seed dispersers has been overlooked until very recently.
José L. Tella   +3 more
doaj   +1 more source

Syringyl lignin production in conifers: Proof of concept in a Pine tracheary element system

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2015
Significance This study shows that metabolic engineering can be used to imbue pine tracheary elements with an ability to synthesize sinapyl alcohol, a lignin monomer not normally used for lignification in conifers such as pine.
A. Wagner   +6 more
semanticscholar   +1 more source

Climate Change Has Already Reshaped North American Forest Pest Dynamics: Insights From Multidecadal Process‐Based Modelling

open access: yesGlobal Change Biology Communications, EarlyView.
Climate change has rapidly expanded and shifted suitable climate conditions for eight major forest pests across North America, especially toward northern and higher elevation areas. Host exposure and overlap among pests are increasing, raising ecological and economic risks, and signaling accelerating future impacts under continued warming.
Yan Boulanger   +5 more
wiley   +1 more source

Evaluating the impact of hunter access and harvest regulations on elk movement and resource selection

open access: yesThe Journal of Wildlife Management, EarlyView.
We estimated daily probabilities of female elk transitioning between hunter access strategies during 4 periods of the fall hunting season in the Devil's Kitchen study area in central Montana, USA, 2020‐2023. Elk generally avoided harvest risk by selecting for less hunter access and more restrictive harvest regulations.
Nicole P. Bealer   +5 more
wiley   +1 more source

SEASONAL DYNAMICS OF THE CONTENT OF PHOTOSYNTHETIC PIGMENTS IN CONIFEROUS PLANTS UNDER THE CONDITIONS OF THE URBAN ENVIRONMENT

open access: yesИзвестия высших учебных заведений. Поволжский регион: Естественные науки, 2020
Background. The main share in the landscaping of the city of Yoshkar-Ola is made up of such deciduous woody and shrub plantings such as Betula pendula Roth., Tilia cordata Mill., Syringa vulgaris L., Acer negundo L., Populus pyramidalis Salisb., etc ...
E. A. Starikova, O. L. Voskresenskaya
doaj   +1 more source

Aspects of hybrid larch (Larix X eurolepis Henry) as a potential tree species in southern Swedish forestry [PDF]

open access: yes, 2003
The interest in growing hybrid larch (Larix × eurolepis Henry) in southern Sweden has increased in recent decades, one of its assumed advantages being high volume growth.
Larsson-Stern, Marie
core  

Recreation Service Supply–Demand Relationship and Driving Mechanism Analysis in the Three Gorges Reservoir Area, China

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Clarifying the relationship between the supply and demand of recreation service not only enhances our comprehension of how cultural ecosystem services impact human well‐being, but also offers a theoretical foundation and scientific basis for developing regional landscape management strategies.
Xinyu Huang   +5 more
wiley   +1 more source

Development of a Target Enrichment Probe Set for Conifer (REMcon)

open access: yesBiology
Conifers are an ecologically and economically important seed plant group that can provide significant insights into the evolution of land plants. Molecular phylogenetics has developed as an important approach in evolutionary studies, although there have ...
Raees Khan   +5 more
doaj   +1 more source

Sanitary Logging in the Monarch Butterfly Biosphere Reserve: One Problem, One Legislation but Different Criteria and Different Treatments

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Bark beetles are small insects that inhabit the bark of trees. When their population increases excessively, they can weaken the trees and cause their death. In México, federal regulations obligate forest landowners to carry out sanitary logging to control bark beetle outbreaks in adherence to official procedures.
Erika Gómez‐Pineda   +3 more
wiley   +1 more source

The Singing Insects of Michigan [PDF]

open access: yes, 2017
Excerpt: The so-called singing insects are all those that make loud, rhythmical noises. They include members of three groups of Orthoptera (Gryllidae, Tettigoniidae, and Acridoidea) and one family of Homoptera (Cicadidae).
Alexander, Richard D.   +2 more
core   +3 more sources

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