Results 41 to 50 of about 21,944,319 (379)

The unpredictably eruptive dynamics of spruce budworm populations in eastern Canada

open access: yesPopulation Ecology, EarlyView.
We examine historical population data for spruce budworm from several locations through the period 1930–1997, and use density‐dependent recruitment curves to test whether the pattern of population growth over time is more consistent with Royama's (1984; Ecological Monographs 54:429–462) linear R(t) model of harmonic oscillation at Green River New ...
Barry J. Cooke, Jacques Régnière
wiley   +1 more source

Network topology drives population temporal variability in experimental habitat networks

open access: yesPopulation Ecology, EarlyView.
Habitat patches connected by dispersal pathways form habitat networks. We explored how network topology affects population outcomes in laboratory experiments using a model species (Daphnia carinata). Central habitat nodes in complex lattice networks exhibited lower temporal variability in population sizes, suggesting they support more stable ...
Yiwen Xu   +3 more
wiley   +1 more source

Sustaining Arts and Culture in Buffalo Niagara [PDF]

open access: yes, 2006
Like all nonprofits, arts and culture organizations are not immune to the inevitable shifts in fiscal health due to trends in the region’s economy and in charitable giving.
Institute for Local Governance and Regional Growth
core   +1 more source

Modelling hematopoiesis mediated by growth factors with applications to periodic hematological diseases [PDF]

open access: yes, 2006
Hematopoiesis is a complex biological process that leads to the production and regulation of blood cells. It is based upon differentiation of stem cells under the action of growth factors.
Adimy, Mostafa   +2 more
core   +5 more sources

Charcoal kiln sites, associated landscape attributes and historic forest conditions: DTM-based investigations in Hesse (Germany)

open access: yesForest Ecosystems, 2016
Background An examination of the distribution of ancient charcoal kiln sites in the forest landscape seems to be worthwhile, since general trends in the selection of suitable kiln site locations in the past might become obvious.
Marcus Schmidt   +3 more
doaj   +1 more source

Quantitative peripheral computed tomography to measure muscle area and assess lean soft tissue mass in children

open access: yesAnnals of Human Biology, 2021
Background Skeletal muscle is one of the main components of lean soft tissue mass (LSTM). Low levels in children affect locomotion, posture, and increase the risk of metabolic syndrome.
Diana Paola Córdoba-Rodríguez   +7 more
doaj   +1 more source

Dendritic cells steering antigen and leukocyte traffic in lymph nodes

open access: yesFEBS Letters, EarlyView.
Dendritic cells are key players in the activation of T cells and their commitment to effector function. In this In a Nutshell Review, we will discuss how dendritic cells guide the trafficking of antigen and leukocytes in the lymph node, thus influencing T‐cell activation processes. Dendritic cells (DCs) play a central role in initiating and shaping the
Enrico Dotta   +3 more
wiley   +1 more source

Child nutrition to new stage in China: evidence from a series of national surveys, 1985–2015

open access: yesBMC Public Health, 2019
Background Both child under- and over-nutrition are major global public health challenges. We aimed to examine thirty-year trends in physical growth, under- and over-nutrition in Chinese urban and suburban children between 1985 and 2015, and discuss ...
Xin-Nan Zong   +3 more
doaj   +1 more source

The dual nature of TDC – bridging dendritic and T cells in immunity

open access: yesFEBS Letters, EarlyView.
TDC are hematopoietic cells combining dendritic and T cell features. They reach secondary lymphoid organs (SLOs) and peripheral organs (liver and lungs) after FLT3‐dependent development in the bone marrow and maturation in the thymus. TDC are activated and enriched in SLOs upon viral infection, suggesting that they might play unique immune roles, since
Maria Nelli, Mirela Kuka
wiley   +1 more source

More talent, please: a blueprint for the UK’s future migration policy [PDF]

open access: yes, 2017
An EU citizen is an EU citizen, writes Tanja Bueltmann, and the government has made it abundantly clear that we are all in limbo until a deal to secure our rights is negotiated with the EU – if such a deal can be done.
Growth Commission, LSE
core  

Home - About - Disclaimer - Privacy