26-8-20, circuit de la Sarthe, Alexander sur Douglas : [photographie de presse] / [Agence Rol]

Référence bibliographique : Rol, 60718

Scholfield-Galbraith family fonds, 1865-1924

The Scholfield and Galbraith families of Dunnville, Ont. were related by marriage. Thomas Jefferson Galbraith (1842-1921) worked as a collector of canal tolls at Port Maitland, a landing waiter and searcher and an acting preventive officer in Customs. He was married to Jane Ann [Jennie] Montieth and they had five children, Margaret, Minnie Montieth, Genevieve Marion, Edith Stuart and Thomas Percy Galbraith. Genevieve Marion Galbraith was married to Harry E. Scholfield, son of Frederick Scholfield (d.1908) and Georginna Galer (d. 1888), a dry goods merchant in Dunnville. Some extent records belong to a William Scholfield who operated a mill in Dunnville. Included are records related to land lease, mortgage and bargain and sale agreements between Scholfield and various individuals, including Richard Kirkpatrick, William Kohler, Alvin Drake, Robert Ban[u]d, Henry Beckett, Sr., Samuel Waltho, Nehemiah Niece.

Receipt from Chas. Douglas for sash cord

Receipt from Chas. Douglas for sash cord, Aug. 22, 1876.

El diseño industrial español : a propósito de un coloquio del gran economista Galbraith en Madrid.

Se trata de definir el concepto de diseño y de analizar lo que es el diseño industrial contemporáneo español, según lo escrito por Galbraith: una nueva concepción para la creación industrial.

Local adaptation in migrated interior Douglas-fir seedlings is mediated by ectomycorrhizas and other soil factors

Separating edaphic impacts on tree distributions from those of climate and geography is notoriously difficult. Aboveground and belowground factors play important roles, and determining their relative contribution to tree success will greatly assist in refining predictive models and forestry strategies in a changing climate. In a common glasshouse, seedlings of interior Douglas-fir (Pseudotsuga menziesii var. glauca) from multiple populations were grown in multiple forest soils. Fungicide was applied to half of the seedlings to separate soil fungal and nonfungal impacts on seedling performance. Soils of varying geographic and climatic distance from seed origin were compared, using a transfer function approach. Seedling height and biomass were optimized following seed transfer into drier soils, whereas survival was optimized when elevation transfer was minimised. Fungicide application reduced ectomycorrhizal root colonization by c. 50%, with treated seedlings exhibiting greater survival but reduced biomass. Local adaptation of Douglas-fir populations to soils was mediated by soil fungi to some extent in 56% of soil origin by response variable combinations. Mediation by edaphic factors in general occurred in 81% of combinations. Soil biota, hitherto unaccounted for in climate models, interacts with biogeography to influence plant ranges in a changing climate.

Inada conditions imply that production function must be asymptotically Cobb-Douglas

We show that every twice-continuously differentiable and strictly concave function f : R+ → R+ can be bracketed between two C.E.S. functions at each open interval. In particular, for the Inada conditions to hold, a production function must be asymptotically Cobb-Douglas.

Planos de amostragem seqüenciais para Orthezia praelonga Douglas (Hemiptera: Sternorrhyncha, Ortheziidae) na cultura de citros

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Distribuição de probabilidade de ocorrência de Orthezia praelonga Douglas (Hemiptera: Sternorrhyncha: Ortheziidae) na cultura de citros

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Dispersão de Orthezia praelonga Douglas, 1891 (Hemiptera: Ortheziidae) causada por equipamentos de pulverização em pomar de citros

A cochonilha O. praelonga é considerada uma importante praga dos citros no Brasil, e informações sobre a sua dispersão estão baseadas apenas em observações empíricas. Objetivou-se avaliar o efeito de equipamentos de pulverização comumente utilizados pelos citricultores na dispersão da praga. Armadilhas adesivas foram instaladas no solo e em vergalhões dispostos verticalmente às plantas de três linhas adjacentes em um talhão de citros contendo plantas infestadas pela praga. Foram adotados equipamentos utilizados para controle de pragas dos citros. A avaliação da dispersão foi realizada por meio da contagem de fêmeas, ninfas ou partes dos insetos aderidas às armadilhas adesivas. Os equipamentos Martignani e Bié foram capazes de lançar a praga a até 15 m, enquanto, para o equipamento Turbo Valência, detectaram-se fragmentos cerosos a até 22 m da máquina. Os equipamentos dotados de pistola não causaram qualquer dispersão da praga. Portanto, evidenciou-se que mesmo a utilização de equipamentos para controle de outras pragas pode favorecer a dispersão da cochonilha O. praelonga em pomares de citros, e isso deve ser considerado no aprimoramento do programa de manejo integrado de pragas dos citros.

Biomass and Stand Characteristics of a Highly Productive Mixed Douglas-Fir and Western Hemlock Plantation in Coastal Washington

Aboveground biomass predictive equations were developed for a highly productive 47-year-old mixed Douglas-fir and western hemlock stand in southwest Washington State to characterize the preharvest stand attributes for the Fall River Long-Term Site Productivity Study. The equations were developed using detailed biomass data taken from 31 Douglas-fir and 11 western hemlock trees within the original stand. The stand had an average of 615 live trees per hectare, with an average dbh of 35.6 cm (39.1 cm for Douglas-fir and 33.3 cm for western hemlock) and an average total tree height of 31.6 m (32.8 m for Douglas-fir and 30.2 m for western hemlock). Equations developed were of the form In Y = b(1) + b(2) In dbh, where Y = biomass in kg, dbh = diameter in cm at 1.3 m height, b(1) = intercept, and b(2) = slope of equation. Each tree part was estimated separately and also combined into total aboveground biomass. The total aboveground biomass estimation equations were In Y = -0.9950 + 2.0765 In dbh for Douglas-fir, and In Y = -1.6612 + 2.2321 In dbh for western hemlock. The estimate of the aboveground live-free biomass was of 395 Mg ha(-1) (235 Mg ha(-1) for Douglas-fir and 160 Mg ha(-1) for western hemlock), with 9.5, 29.3, 12.9, 308, and 32.7 Mg ha(-1) in the foliage, live branches, dead branches, stem wood, and stem hark, respectively. When compared with biomass estimates from six other studies, ranging in age from 22 to 110 years and from 96.3 to 636 Mg ha(-1), the biomass of the Fall River site was relatively high for its age, indicating very high productivity.