• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 1471
  • 278
  • 61
  • 39
  • 35
  • 25
  • 23
  • 23
  • 23
  • 23
  • 23
  • 22
  • 19
  • 8
  • 8
  • Tagged with
  • 2407
  • 808
  • 738
  • 574
  • 470
  • 441
  • 359
  • 354
  • 343
  • 276
  • 231
  • 227
  • 210
  • 158
  • 150
  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
161

Red imported fire ant impact on native ants and litter removal in the post oak savannah of central Texas

Bedford, Theresa Louise, January 1900 (has links)
Thesis (M. S.)--Texas A&M University, 2005. / "Major Subject: Wildlife and Fisheries Science" Title from author supplied metadata (automated record created on Sep. 15, 2006.) Vita. Abstract. Includes bibliographical references.
162

Ranges, movements, and spatial distribution of radio-tagged Rio Grande wild turkeys in the Edwards Plateau of Texas

Schaap, Jody Neal, January 1900 (has links)
Thesis (M. S.)--Texas A&M University, 2005. / "Major Subject: Wildlife Science" Title from author supplied metadata (automated record created on Sep. 15, 2006.) Vita. Abstract. Includes bibliographical references.
163

Evaluation of the effects of a highway improvement project on Key deer

Braden, Anthony Wayne, January 1900 (has links)
Thesis (M. S.)--Texas A&M University, 2005. / "Major Subject: Wildlife and Fisheries Sciences" Title from author supplied metadata (automated record created on Feb. 23, 2007.) Vita. Abstract. Includes bibliographical references.
164

Evaluating an Extension program the Texas 4-H Wildlife Habitat Evaluation Program /

Feldpausch, Andrea Marie, January 1900 (has links)
Thesis (M. S.)--Texas A&M University, 2006. / "Major Subject: Wildlife and Fisheries Sciences" Title from author supplied metadata (automated record created on Feb. 23, 2007.) Vita. Abstract. Includes bibliographical references.
165

Population modeling in conservation planning of the Lower Keys marsh rabbit

LaFever, David Howard, January 1900 (has links)
Thesis (M. S.)--Texas A&M University, 2006. / "Major Subject: Wildlife and Fisheries Sciences" Title from author supplied metadata (record created on Feb. 23, 2007.) Vita. Abstract. Includes bibliographical references.
166

The effects of human disturbance on birds in Bastrop State Park

Marcum, Heidi Ann, January 1900 (has links)
Thesis (Ph. D.)--Texas A&M University, 2005. / "Major Subject: Wildlife and Fisheries Sciences" Title from author supplied metadata (automated record created on Feb. 23, 2007.) Vita. Abstract. Includes bibliographical references.
167

The Lower Keys marsh rabbit and silver rice rat steps toward recovery /

Perry, Neil Desmond, January 1900 (has links)
Thesis (M. S.)--Texas A&M University, 2006. / "Major Subject: Wildlife and Fisheries Sciences" Title from author supplied metadata (automated record created on Feb. 23, 2007.) Vita. Abstract. Includes bibliographical references.
168

Phylogenetics of the genus Scotophilus (Chiroptera: Vespertilionidae) perspectives from paternally and maternally inherited genomes with emphasis on African species /

Trujillo, Robert Greg, January 1900 (has links)
Thesis (Ph. D.)--Texas A&M University, 2005. / "Major Subject: Wildlife and Fisheries Sciences" Title from author supplied metadata (automated record created on Feb. 23, 2007.) Vita. Abstract. Includes bibliographical references.
169

Comparison of avian species diversity and densities on non-mined and reclaimed surface-mined land in east-central Texas

Wenzel, Dawn Nicole, January 1900 (has links)
Thesis (M. S.)--Texas A&M University, 2006. / "Major Subject: Wildlife and Fisheries Sciences" Title from author supplied metadata (automated record created on Feb. 23, 2007.) Vita. Abstract. Includes bibliographical references.
170

Modeling Canopy Structure Effects on Loblolly Pine Growth

Jerez Rico, Mauricio 28 January 2002 (has links)
This study examined several aspects of canopy structure and their influence on growth of loblolly pine (Pinus taeda L.) plantations. Foliage distribution, crown hydraulic architecture, and the effect of chronological changes in canopy structure on stand development were explored as possible components of a future process-based model intended for management purposes. A model based on the Johnsons SB distribution was developed to predict leaf area distribution of loblolly pine trees. This is a preliminary step for building a submodel capable of simulating chronological changes in canopy structure and stand growth. The model accurately predicted the cumulative distribution of leaf area in the crown. It has the potential to be included in forest growth models where an accurate description of leaf area distribution is needed. A novel process-related, non-carbon-based growth model for predicting the growth of closed, unthinned, loblolly pine stands was developed. Its ability to represent the dynamics of the canopy and stand growth was evaluated. Overall, model predictions were in agreement with reported observations or proposed theories in relation to stand growth, size-density relations, and relationships between canopy dynamics and stand growth. Modeling the hydraulic architecture of the crown is important because it controls crown recession. Patterns in branch permeability with crown depth and permeability at the top of the main stem were analyzed for loblolly pine trees from families selected for differences in growth rate and crown size. The results showed that branch permeability decreased significantly from the top to the bottom of the crown and that genetic-based differences might exist in patterns of stem and branch permeability. The study showed the potential of using a process approach to develop a forest growth model and utilizing mechanistic and empirical elements in the construction of the simulator. In addition, the integration and synthesis of information coming from diverse sources in the model allow the possibility of detecting deficiencies in the understanding of key processes and provide a guide for formulating hypotheses and planning experiments to fill the gaps in knowledge of the processes regulating stand development.

Page generated in 0.0315 seconds